Pollination requirements of linseed (Linum usitatissimum)

Williams, I. H., Martin, A. H. and Clark, S. J. 1990. Pollination requirements of linseed (Linum usitatissimum). The Journal of Agricultural Science. 115, pp. 347-352.

Related outputs

Searching for wheat resistance to aphids and wheat bulb fly in the historical Watkins and Gediflux wheat collections

A - Papers appearing in refereed journals

Aradottir, G. I., Martin, J. L., Clark, S. J., Pickett, J. A. and Smart, L. E. 2017. Searching for wheat resistance to aphids and wheat bulb fly in the historical Watkins and Gediflux wheat collections. Annals of Applied Biology - AAB. 170 (2), pp. 179-188.

Oilseed rape (Brassica napus) as a resource for farmland insect pollinators: quantifying floral traits in conventional varieties and breeding systems

A - Papers appearing in refereed journals

Carruthers, J. M., Cook, S. M., Wright, G. A., Osborne, J. L., Clark, S. J., Swain, J. L. and Haughton, A. J. 2017. Oilseed rape (Brassica napus) as a resource for farmland insect pollinators: quantifying floral traits in conventional varieties and breeding systems. GCB Bioenergy. 9 (8), pp. 1370-1379.

Mass seasonal bioflows of high-flying insect migrants

A - Papers appearing in refereed journals

Hu, G., Lim, K. S., Horvitz, N., Clark, S. J., Reynolds, D. R., Sapir, N. and Chapman, J. W. 2016. Mass seasonal bioflows of high-flying insect migrants. Science - AAAS. 354 (6319), pp. 1584-1587.

Induced thiacloprid insensitivity in honeybees (Apis mellifera L.) is associated with up-regulation of detoxification genes

A - Papers appearing in refereed journals

Alptekin, S., Bass, C., Nicholls, C., Paine, M. J. I., Clark, S. J., Field, L. and Moores, G. D. 2016. Induced thiacloprid insensitivity in honeybees (Apis mellifera L.) is associated with up-regulation of detoxification genes. Insect Molecular Biology. 25 (2), pp. 171-180.

Flight performance of actively foraging honey bees is reduced by a common pathogen

A - Papers appearing in refereed journals

Wells, T., Wolf, S., Nicholls, E., Groll, H., Lim, K. S., Clark, S. J., Swain, J. L., Osborne, J. L. and Haughton, A. J. 2016. Flight performance of actively foraging honey bees is reduced by a common pathogen. Environmental Microbiology Reports. 8 (5), pp. 728-737.

Triticum monococcum lines with distinct metabolic phenotypes and phloem-based partial resistance to the bird cherry-oat aphid Rhopalosiphum padi

A - Papers appearing in refereed journals

Greenslade, A. F. C., Ward, J. L., Martin, J. L., Corol, D. I., Clark, S. J., Smart, L. E. and Aradottir, G. I. 2016. Triticum monococcum lines with distinct metabolic phenotypes and phloem-based partial resistance to the bird cherry-oat aphid Rhopalosiphum padi. Annals of Applied Biology - AAB. 168 (3), pp. 435-449.

Dedicated biomass crops can enhance biodiversity in the arable landscape

A - Papers appearing in refereed journals

Haughton, A. J., Bohan, D. A., Clark, S. J., Mallott, M. D., Mallott, V., Sage, R. and Karp, A. 2016. Dedicated biomass crops can enhance biodiversity in the arable landscape. GCB Bioenergy. 8 (6), pp. 1071-1081.

The effects of Nosema ceranae on honey bee flight distance

G - Articles in popular magazines and other technical publications

Wells, T., Nicholls, B., Wolf, S., Groll, H., Lim, K. S., Clark, S. J., Swain, J. L., Osborne, J. L. and Haughton, A. J. 2015. The effects of Nosema ceranae on honey bee flight distance. British bee journal. (2), p. 6.

Dynamics of competition and co-infection between Zoophthora radicans and Pandora blunckii in Plutella xylostella larvae

A - Papers appearing in refereed journals

Sandoval-Aguilar, J. A., Guzman-Franco, A. W., Pell, J. K., Clark, S. J., Alatorre-Rosas, R., Santillan-Galicia, M. T. and Valdovinos-Ponce, G. 2015. Dynamics of competition and co-infection between Zoophthora radicans and Pandora blunckii in Plutella xylostella larvae. Fungal Ecology. 17, pp. 1-9.

Appendix 4. Effect of brassica field margins on arthropod biodiversity and biocontrol in a wheat-oilseed rape rotation

D1 - Technical reports: non-confidential

Cook, S. M., Skellern, M. P., Torrance, M. T., Nevard, L., Watts, N. P., Clark, S. J. and Pell, J. K. 2015. Appendix 4. Effect of brassica field margins on arthropod biodiversity and biocontrol in a wheat-oilseed rape rotation.

Statistical methods in biology: design and analysis of experiments and regression

E - Books edited/written by staff member, alone/with others

Welham, S. J., Gezan, S. A., Clark, S. J. and Mead, A. 2015. Statistical methods in biology: design and analysis of experiments and regression. CRC Press, Boca Raton, Florida.

Temperature-activity relationships in Meligethes aeneus: implications for pest management

A - Papers appearing in refereed journals

Ferguson, A. W., Nevard, L. M., Clark, S. J. and Cook, S. M. 2015. Temperature-activity relationships in Meligethes aeneus: implications for pest management. Pest Management Science. 71 (3), pp. 459-466.

Slow bee paralysis virus and its transmission in honey bee pupae by Varroa destructor

A - Papers appearing in refereed journals

Santillan-Galicia, M. T., Ball, B. V., Clark, S. J. and Alderson, P. G. 2014. Slow bee paralysis virus and its transmission in honey bee pupae by Varroa destructor. Journal of Apicultural Research. 53, pp. 146-154.

The efficacy of flufenacet based herbicides on Alopecurus myosuroides (black-grass): analysis of data from 375 field trials

C1 - Edited contributions to conferences/learned societies

Hull, R. I., Clark, S. J., Westrup, L. and Moss, S. R. 2014. The efficacy of flufenacet based herbicides on Alopecurus myosuroides (black-grass): analysis of data from 375 field trials. Crop production in Southern Britain: precision decisions for profitable cropping. Aspects of Applied Biology 127 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 49-56

Splash dispersal of Phyllosticta citricarpa conidia from infected citrus fruit

A - Papers appearing in refereed journals

Perryman, S. A. M., Clark, S. J. and West, J. S. 2014. Splash dispersal of Phyllosticta citricarpa conidia from infected citrus fruit. Scientific Reports. 4, p. 6568.

So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees

A - Papers appearing in refereed journals

Wolf, S., McMahon, D. P., Lim, K. S., Pull, C. D., Clark, S. J., Paxton, R. J. and Osborne, J. L. 2014. So near and yet so far: harmonic radar reveals reduced homing ability of Nosema infected honeybees. PLOS ONE. 9, p. e103989.

The ontogeny of bumblebee flight trajectories: from naive explorers to experienced foragers

A - Papers appearing in refereed journals

Osborne, J. L., Smith, A. D., Clark, S. J., Reynolds, D. R., Barron, M. C., Lim, K. S. and Reynolds, A. M. 2013. The ontogeny of bumblebee flight trajectories: from naive explorers to experienced foragers. PLOS ONE. 8 (11), p. e78681.

Competition between isolates of Zoophthora radicans co-infecting Plutella xylostella populations

A - Papers appearing in refereed journals

Morales-Vidal, S., Alatorre-Rosas, R., Clark, S. J., Pell, J. K. and Guzman-Franco, A. W. 2013. Competition between isolates of Zoophthora radicans co-infecting Plutella xylostella populations. Journal of Invertebrate Pathology. 113, pp. 137-145.

Use of honey bees (Apis mellifera L.) to detect the presence of Mediterranean fruit fly (Ceratitis capitata Wiedemann) larvae in Valencia oranges

A - Papers appearing in refereed journals

Chamberlain, K., Briens, M., Jacobs, J. H., Clark, S. J. and Pickett, J. A. 2012. Use of honey bees (Apis mellifera L.) to detect the presence of Mediterranean fruit fly (Ceratitis capitata Wiedemann) larvae in Valencia oranges. Journal of the Science of Food and Agriculture - jsfa. 92 (10), pp. 2050-2054.

Three-point appraisal of genetic linkage maps

A - Papers appearing in refereed journals

Gilks, W. R., Welham, S. J., Wang, J., Clark, S. J. and King, G. J. 2012. Three-point appraisal of genetic linkage maps. Theoretical and Applied Genetics. 125, pp. 1393-1402.

Large carabid beetle declines in a United Kingdom monitoring network increases evidence for a widespread loss in insect biodiversity

A - Papers appearing in refereed journals

Brooks, D. R., Bater, J., Clark, S. J., Monteith, D. T., Andrews, C., Corbett, S. J., Beaumont, D. A. and Chapman, J. W. 2012. Large carabid beetle declines in a United Kingdom monitoring network increases evidence for a widespread loss in insect biodiversity. Journal of Applied Ecology. 49 (5), pp. 1009-1019.

Mesocosm experiments to assess the transmission of Pandora neoaphidis within simple and mixed field margins and over the crop-margin interface

A - Papers appearing in refereed journals

Baverstock, J., Torrance, M. T., Clark, S. J. and Pell, J. K. 2012. Mesocosm experiments to assess the transmission of Pandora neoaphidis within simple and mixed field margins and over the crop-margin interface. Journal of Invertebrate Pathology. 110, pp. 102-107.

Trophic links between functional groups of arable plants and beetles are stable at national scale

A - Papers appearing in refereed journals

Brooks, D. R., Storkey, J., Clark, S. J., Firbank, L. G., Petit, S. and Woiwod, I. P. 2012. Trophic links between functional groups of arable plants and beetles are stable at national scale. Journal of Animal Ecology. 81 (1), pp. 4-13.

Distribution of Meligethes aeneus (F.) and M. viridescens (F.) on cruciferous plants

A - Papers appearing in refereed journals

Metspalu, L., Williams, I. H., Jogar, K., Ploomi, A., Hiiesaar, K., Laaniste, P., Svilponis, E., Mand, M. and Luik, A. 2011. Distribution of Meligethes aeneus (F.) and M. viridescens (F.) on cruciferous plants. Zemdirbyste-Agriculture. 98, pp. 27-34.

Use of quantitative PCR to understand within-host competition between two entomopathogenic fungi

A - Papers appearing in refereed journals

Guzman-Franco, A. W., Atkins, S. D., Clark, S. J., Alderson, P. G. and Pell, J. K. 2011. Use of quantitative PCR to understand within-host competition between two entomopathogenic fungi. Journal of Invertebrate Pathology. 107, pp. 155-158.

Potential value of the fibre nettle Urtica dioica as a resource for the nettle aphid Microlophium carnosum and its insect and fungal natural enemies

A - Papers appearing in refereed journals

Baverstock, J., Porcel, M., Clark, S. J., Copeland, J. E. and Pell, J. K. 2011. Potential value of the fibre nettle Urtica dioica as a resource for the nettle aphid Microlophium carnosum and its insect and fungal natural enemies. BioControl. 56 (2), pp. 215-223.

Trends in the timings of the start and end of annual flight periods

B - Book chapters etc edited externally

Harrington, R. and Clark, S. J. 2010. Trends in the timings of the start and end of annual flight periods. in: Dixon, A. F. G., Michaud, J. P. and Kindlmann, P. (ed.) Aphid biodiversity under environmental change Springer, Dordrecht. pp. 41-54

Biocontrol-based integrated management of oilseed rape pests

E - Books edited/written by staff member, alone/with others

Williams, I. H. 2010. Biocontrol-based integrated management of oilseed rape pests. Springer Berlin.

Transmission of deformed wing virus and slow paralysis virus to adult bees (Apis mellifera L.) by Varroa destructor

A - Papers appearing in refereed journals

Santillan-Galicia, M. T., Ball, B. V., Clark, S. J. and Alderson, P. G. 2010. Transmission of deformed wing virus and slow paralysis virus to adult bees (Apis mellifera L.) by Varroa destructor. Journal of Apicultural Research and Bee World. 49, pp. 141-148.

Susceptibility of six Lilium to damage by the lily beetle, Lilioceris lilii (Coleoptera: Chrysomelidae)

A - Papers appearing in refereed journals

Salisbury, A., Clark, S. J., Powell, W. and Hardie, J. 2010. Susceptibility of six Lilium to damage by the lily beetle, Lilioceris lilii (Coleoptera: Chrysomelidae). Annals of Applied Biology - AAB. 156 (1), pp. 103-110.

Layers of nocturnal insect migrants at high-altitude: the influence of atmospheric conditions on their formation

A - Papers appearing in refereed journals

Wood, C. R., Clark, S. J., Barlow, J. F. and Chapman, J. W. 2010. Layers of nocturnal insect migrants at high-altitude: the influence of atmospheric conditions on their formation. Agricultural and Forest Entomology. 12 (1), pp. 113-121.

Pollinator effectiveness and fruit set in common ivy, Hedera helix (Araliaceae)

A - Papers appearing in refereed journals

Jacobs, J. H., Clark, S. J., Denholm, I., Goulson, D., Stoate, C. and Osborne, J. L. 2010. Pollinator effectiveness and fruit set in common ivy, Hedera helix (Araliaceae). Arthropod-Plant Interactions. 4, pp. 19-28.

Perennial energy crops: implications and potential

B - Book chapters etc edited externally

Karp, A., Haughton, A. J., Bohan, D. A., Lovett, A. A., Bond, A. J., Dockerty, T., Sunnenberg, G., Finch, J. W., Sage, R. B., Appleton, K. J., Riche, A. B., Mallott, M. D., Mallott, V. E,., Cunningham, M. D., Clark, S. J. and Turner, M. M. 2009. Perennial energy crops: implications and potential. in: Winter, M. and Lobley, M. (ed.) What is land for? The food, fuel and climate change debate Earthscan Publications Ltd. pp. 47-72

The GAMes aphids play

C2 - Non-edited contributions to conferences

Bell, J. R., Harrington, R., Welham, S. J., Clark, S. J. and Pickup, J. 2009. The GAMes aphids play. Abstracts 8th International Symposium on Aphids, Catania, 8-12 June 2009 .

Competition and co-existence of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth, Plutella xylostella

A - Papers appearing in refereed journals

Guzman-Franco, A. W., Clark, S. J., Alderson, P. G. and Pell, J. K. 2009. Competition and co-existence of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth, Plutella xylostella. Mycological Research. 113 (11), pp. 1312-1321.

Intraguild interactions between the entomopathogenic fungus Pandora neoaphidis and an aphid predator and parasitoid at the population scale

A - Papers appearing in refereed journals

Baverstock, J., Clark, S. J., Alderson, P. G. and Pell, J. K. 2009. Intraguild interactions between the entomopathogenic fungus Pandora neoaphidis and an aphid predator and parasitoid at the population scale. Journal of Invertebrate Pathology. 102 (2), pp. 167-172.

Pollination biology of fruit-bearing hedgerow plants and the role of flower-visiting insects in fruit-set

A - Papers appearing in refereed journals

Jacobs, J. H., Clark, S. J., Denholm, I., Goulson, D., Stoate, C. and Osborne, J. L. 2009. Pollination biology of fruit-bearing hedgerow plants and the role of flower-visiting insects in fruit-set. Annals of Botany. 104, pp. 1397-1404.

Using adult mosquitoes to transfer insecticides to Aedes aegypti larval habitats

A - Papers appearing in refereed journals

Devine, G. J., Zamora-Perea, E., Killeen, G. F., Stancil, J. D., Clark, S. J. and Morrison, A. C. 2009. Using adult mosquitoes to transfer insecticides to Aedes aegypti larval habitats. Proceedings of the National Academy of Sciences of the United States of America - PNAS. 106, pp. 11530-11534.

Identification of human-derived volatile chemicals that interfere with attraction of the Scottish biting midge and their potential use as repellents

A - Papers appearing in refereed journals

Logan, J. G., Seal, N. J., Cook, J. I., Stanczyk, N. M., Birkett, M. A., Clark, S. J., Gezan, S. A., Wadhams, L. J., Pickett, J. A. and Mordue (Luntz), A. J. 2009. Identification of human-derived volatile chemicals that interfere with attraction of the Scottish biting midge and their potential use as repellents. Journal of Medical Entomology. 46 (2), pp. 208-219.

A novel, integrated approach to assessing social, economic and environmental implications of changing rural land-use: a case study of perennial biomass crops

A - Papers appearing in refereed journals

Haughton, A. J., Bond, A. J., Lovett, A. A., Dockerty, T., Sunnenberg, G., Clark, S. J., Bohan, D. A., Sage, R. B., Mallott, M. D., Mallott, V. E., Cunningham, M. D., Riche, A. B., Shield, I. F., Finch, J. W., Turner, M. M. and Karp, A. 2009. A novel, integrated approach to assessing social, economic and environmental implications of changing rural land-use: a case study of perennial biomass crops. Journal of Applied Ecology. 46 (2), pp. 315-322.

Oilseed rape crop ecology: optimising crop husbandry for conservation biological control and greater biodiversity. Final report on DEFRA project AR0316.

D1 - Technical reports: non-confidential

Ferguson, A. W., Williams, I. H., Cook, S. M., Clark, S. J., Frearson, D. J. T., Holdgate, R., Isger, E. A., Mason, N. S., Watts, N. P. and Todd, A. 2008. Oilseed rape crop ecology: optimising crop husbandry for conservation biological control and greater biodiversity. Final report on DEFRA project AR0316. Department for Environment, Food & Rural Affairs (DEFRA).

Phenologies and diel periodicities of within-crop flight by pests and parasitoids in oilseed rape

C2 - Non-edited contributions to conferences

Ferguson, A. W., Holdgate, R., Mason, N. S., Clark, S. J. and Williams, I. H. 2008. Phenologies and diel periodicities of within-crop flight by pests and parasitoids in oilseed rape. Abstracts IOBC-WPRS, OILB-SROP, Working Group on Integrated Control in Oilseed Crops, Paris, 29 September - 1 October 2008 . pp. 16

Implications for conservation biocontrol of spatio-temporal relationships between carabid beetles and coleopterous pests in winter oilseed rape

A - Papers appearing in refereed journals

Warner, D. J., Allen-Williams, L. J., Warrington, S., Ferguson, A. W. and Williams, I. H. 2008. Implications for conservation biocontrol of spatio-temporal relationships between carabid beetles and coleopterous pests in winter oilseed rape. Agricultural and Forest Entomology. 10 (4), pp. 375-387.

Transmission of Pandora neoaphidis in the presence of co-occurring arthropods

C2 - Non-edited contributions to conferences

Baverstock, J., Baverstock, K. E., Clark, S. J. and Pell, J. K. 2008. Transmission of Pandora neoaphidis in the presence of co-occurring arthropods. Abstracts 41st Annual Meeting of the Society for Invertebrate Pathology, Warwick, 3-7 August 2008 . pp. 67

Effect of temperature on the in vitro radial growth of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth Plutella xylostella

A - Papers appearing in refereed journals

Guzman-Franco, A. W., Clark, S. J., Alderson, P. G. and Pell, J. K. 2008. Effect of temperature on the in vitro radial growth of Zoophthora radicans and Pandora blunckii , two co-occurring fungal pathogens of the diamondback moth Plutella xylostella. BioControl. 53, pp. 501-516.

Transmission of Pandora neoaphidis in the presence of co-occurring arthropods

A - Papers appearing in refereed journals

Baverstock, J., Baverstock, K. E., Clark, S. J. and Pell, J. K. 2008. Transmission of Pandora neoaphidis in the presence of co-occurring arthropods. Journal of Invertebrate Pathology. 98 (3), pp. 356-359.

Weed and invertebrate community compositions in arable farmland

A - Papers appearing in refereed journals

Smith, V., Bohan, D. A., Clark, S. J., Haughton, A. J., Bell, J. R. and Heard, M. S. 2008. Weed and invertebrate community compositions in arable farmland. Arthropod-Plant Interactions. 2, pp. 21-30.

Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis

A - Papers appearing in refereed journals

Roy, H. E., Baverstock, J., Ware, R. L., Clark, S. J., Majerus, M. E. N., Baverstock, K. E. and Pell, J. K. 2008. Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis. Ecological Entomology. 33 (2), pp. 175-182.

Identification of human-derived volatile chemicals that interfere with attraction of Aedes aegypti mosquitoes

A - Papers appearing in refereed journals

Logan, J. G., Birkett, M. A., Clark, S. J., Powers, S. J., Seal, N. J., Wadhams, L. J., Mordue (Luntz), A. J. and Pickett, J. A. 2008. Identification of human-derived volatile chemicals that interfere with attraction of Aedes aegypti mosquitoes. Journal of Chemical Ecology. 34, pp. 308-322.

National-scale metacommunity dynamics of carabid beetles in UK farmland

A - Papers appearing in refereed journals

Brooks, D. R., Perry, J. N., Clark, S. J., Heard, M. S., Firbank, L. G., Holdgate, R., Mason, N. S., Shortall, C. R., Skellern, M. P. and Woiwod, I. P. 2008. National-scale metacommunity dynamics of carabid beetles in UK farmland. Journal of Animal Ecology. 77 (2), pp. 265-274.

Effect of seasonal abiotic conditions and field margin habitat on the activity of Pandora neoaphidis inoculum on soil

A - Papers appearing in refereed journals

Baverstock, J., Clark, S. J. and Pell, J. K. 2008. Effect of seasonal abiotic conditions and field margin habitat on the activity of Pandora neoaphidis inoculum on soil. Journal of Invertebrate Pathology. 97, pp. 282-290.

Movement of transgenic plant-expressed Bt Cry1Ac proteins through high trophic levels

A - Papers appearing in refereed journals

Wei, W., Schuler, T. H., Clark, S. J., Stewart, C. N. Jr and Poppy, G. M. 2008. Movement of transgenic plant-expressed Bt Cry1Ac proteins through high trophic levels. Journal of Applied Entomology. 132 (1), pp. 1-11.

Do cropping system and insecticide use in spring oilseed rape affect the abundance of pollen beetles (Meligethes aeneus Fab.) on the crop?

A - Papers appearing in refereed journals

Veromann, E., Kevvai, R., Luik, A. and Williams, I. H. 2008. Do cropping system and insecticide use in spring oilseed rape affect the abundance of pollen beetles (Meligethes aeneus Fab.) on the crop? International Journal of Pest Management. 54, pp. 1-4.

The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project

C1 - Edited contributions to conferences/learned societies

Brooks, D. R., Firbank, L. G., Bohan, D. A., Champion, G. T., Clark, S. J., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R. and Woiwod, I. P. 2007. The implications of genetically modified herbicide-tolerant crops for UK farmland biodiversity: a summary of the results of the Farm Scale Evaluations project. Proceedings Open Seminar on the Cultivation of Genetically Modified Crops and Evaluation of Ecological Effects, Tokyo, 3 November 2007 . NIAES, Tsukuba. pp. 29-52

Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis

C2 - Non-edited contributions to conferences

Baverstock, J., Roy, H. E., Ware, R. L., Clark, S. J., Majerus, M. E. N., Baverstock, K. E. and Pell, J. K. 2007. Intraguild predation of the aphid pathogenic fungus Pandora neoaphidis by the invasive coccinellid Harmonia axyridis. Abstracts Royal Entomological Society National Meeting (Ento 07), Edinburgh, 16-18 July 2007 . pp. 47

Migration to and dispersal from oilseed rape by the pollen beetle, Meligethes aeneus , in relation to wind direction

A - Papers appearing in refereed journals

Williams, I. H., Frearson, D. J. T., Barari, H. and McCartney, H. A. 2007. Migration to and dispersal from oilseed rape by the pollen beetle, Meligethes aeneus , in relation to wind direction. Agricultural and Forest Entomology. 9 (4), pp. 279-286.

Non-inversion tillage to conserve functional biodiversity for biocontrol of oilseed rape pests

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Holdgate, R., Mason, N. S., Clark, S. J. and Williams, I. H. 2007. Non-inversion tillage to conserve functional biodiversity for biocontrol of oilseed rape pests. Proceedings 16th International Plant Protection Congress, Glasgow, 15-18 October 2007 . pp. 818-819

The influence of tillage on biocontrol agents of oilseed rape pests

C2 - Non-edited contributions to conferences

Ferguson, A. W., Holdgate, R., Mason, N. S., Clark, S. J. and Williams, I. H. 2007. The influence of tillage on biocontrol agents of oilseed rape pests. Abstracts Royal Entomological Society National Meeting (Ento 07), Edinburgh, 16-18 July 2007 . pp. 24

The effect [of] host plant characters on parasitism of inflorescence pests of oilseed rape

C2 - Non-edited contributions to conferences

Ferguson, A. W., Frearson, D. J. T., Mason, N. S., Todd, A. D., Clark, S. J. and Williams, I. H. 2007. The effect [of] host plant characters on parasitism of inflorescence pests of oilseed rape. Abstracts Royal Entomological Society National Meeting (Ento 07), Edinburgh, 16-18 July 2007 . pp. 18

Ecotypes of the model legume Lotus japonicus vary in their interaction phenotypes with the root-knot nematode Meloidogyne incognita

A - Papers appearing in refereed journals

Cabrera Poch, H. L., Manzanilla-Lopez, R. H. and Clark, S. J. 2007. Ecotypes of the model legume Lotus japonicus vary in their interaction phenotypes with the root-knot nematode Meloidogyne incognita. Annals of Botany. 99, pp. 1223-1229.

Nematicidal effects of cysteine proteinases against sedentary plant parastic nematodes

A - Papers appearing in refereed journals

Stepek, G., Curtis, R. H. C., Kerry, B. R., Shewry, P. R., Clark, S. J., Lowe, A. E., Duce, I. R., Buttle, D. J. and Behnke, J. M. 2007. Nematicidal effects of cysteine proteinases against sedentary plant parastic nematodes. Parasitology. 134, pp. 1831-1838.

Environmental change and the phenology of European aphids

A - Papers appearing in refereed journals

Harrington, R., Clark, S. J., Welham, S. J., Verrier, P. J., Denholm, C. H., Hulle, M., Maurice, D., Rounsevell, M. D., Cocu, N. and European Union Examine Consortium 2007. Environmental change and the phenology of European aphids. Global Change Biology. 13 (8), pp. 1550-1564.

The use of pollen cues by free-flying honey bees (Apis mellifera)

C2 - Non-edited contributions to conferences

Cook, S. M., Poppy, G. M. and Williams, I. H. 2007. The use of pollen cues by free-flying honey bees (Apis mellifera). Abstracts 13th Symposium on Insect-Plant Relationships (SIP13), Uppsala, 29 July-2 August 2007 . pp. 152

First field evidence that parasitoids use upwind anemotaxis for host-habitat location

A - Papers appearing in refereed journals

Williams, I. H., Frearson, D. J. T., Barari, H. and McCartney, H. A. 2007. First field evidence that parasitoids use upwind anemotaxis for host-habitat location. Entomologia Experimentalis et Applicata. 123 (3), pp. 299-307.

Farm Scale Evaluations of herbicide-tolerant crops: assessment of within-field variation and sampling methodology for arable weeds

A - Papers appearing in refereed journals

Clark, S. J., Rothery, P., Perry, J. N. and Heard, M. S. 2007. Farm Scale Evaluations of herbicide-tolerant crops: assessment of within-field variation and sampling methodology for arable weeds. Weed Research. 47 (2), pp. 157-163.

Statistical models to evaluate invertebrate-plant trophic interactions in arable systems

A - Papers appearing in refereed journals

Bohan, D. A., Hawes, C., Haughton, A. J., Denholm, I., Champion, G. T., Perry, J. N. and Clark, S. J. 2007. Statistical models to evaluate invertebrate-plant trophic interactions in arable systems. Bulletin of Entomological Research. 97, pp. 265-280.

Influence of host plant on susceptibility of the aphid Acyrthosiphon pisum (Hemiptera: Aphididae) to the fungal pathogen Pandora neoaphidis (Zygomycetes: Entomophthorales)

A - Papers appearing in refereed journals

Tkaczuk, C., Shah, P. A., Clark, S. J. and Pell, J. K. 2007. Influence of host plant on susceptibility of the aphid Acyrthosiphon pisum (Hemiptera: Aphididae) to the fungal pathogen Pandora neoaphidis (Zygomycetes: Entomophthorales). European Journal of Entomology. 104, pp. 205-210.

Response of the aphid parasitoid Aphidius funebris to volatiles from undamaged and aphid-infested Centaurea nigra

A - Papers appearing in refereed journals

Pareja, M., Moraes, M. C. B., Clark, S. J., Birkett, M. A. and Powell, W. 2007. Response of the aphid parasitoid Aphidius funebris to volatiles from undamaged and aphid-infested Centaurea nigra. Journal of Chemical Ecology. 33 (April), pp. 695-710.

Behavioural and chemical ecology underlying the success of turnip rape (Brassica rapa) trap crops in protecting oilseed rape (Brassica napus) from the pollen beetle (Meligethes aeneus)

A - Papers appearing in refereed journals

Cook, S. M., Rasmussen, H. B., Birkett, M. A., Murray, D. A., Pye, B. J., Watts, N. P. and Williams, I. H. 2007. Behavioural and chemical ecology underlying the success of turnip rape (Brassica rapa) trap crops in protecting oilseed rape (Brassica napus) from the pollen beetle (Meligethes aeneus). Arthropod-Plant Interactions. 1, pp. 57-67.

Honey bees can disseminate a microbial control agent to more than one inflorescence pest of oilseed rape

A - Papers appearing in refereed journals

Carreck, N. L., Butt, T. M., Clark, S. J., Ibrahim, L., Isger, E. A., Pell, J. K. and Williams, I. H. 2007. Honey bees can disseminate a microbial control agent to more than one inflorescence pest of oilseed rape. Biocontrol Science and Technology. 17, pp. 179-191.

The influence of petals on numbers of pests and their parasitoids in oilseed rape

C1 - Edited contributions to conferences/learned societies

Frearson, D. J. T., Ferguson, A. W., Laugier, N. and Williams, I. H. 2006. The influence of petals on numbers of pests and their parasitoids in oilseed rape. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Responses of pollen beetles (Meligethes aeneus) to petal colour

C1 - Edited contributions to conferences/learned societies

Cook, S. M., Skellern, M. P., Smith, M. J. and Williams, I. H. 2006. Responses of pollen beetles (Meligethes aeneus) to petal colour.

Determining the sex of insect pests of oilseed rape for behavioural bioassays

C1 - Edited contributions to conferences/learned societies

Cook, S. M., Watts, N. P., Castle, L. M. and Williams, I. H. 2006. Determining the sex of insect pests of oilseed rape for behavioural bioassays.

Responses of pollen beetles (Meligethes aeneus) to conspecific odours

C1 - Edited contributions to conferences/learned societies

Cook, S. M., Murray, D. A., Watts, N. P. and Williams, I. H. 2006. Responses of pollen beetles (Meligethes aeneus) to conspecific odours.

The EU project MASTER (MAnagement STrategies for European Rape pests): an update

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2006. The EU project MASTER (MAnagement STrategies for European Rape pests): an update.

Upwind anemotaxis by the parasitoid Tersilochus obscurator (Hym., Ichneumonidae) on its migration flights to winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Barari, H. and Frearson, D. J. T. 2006. Upwind anemotaxis by the parasitoid Tersilochus obscurator (Hym., Ichneumonidae) on its migration flights to winter oilseed rape.

Spatial relationships between carabids and pest larvae in a winter oilseed rape crop

C1 - Edited contributions to conferences/learned societies

Warner, D. J., Allen-Williams, L. J., Ferguson, A. W. and Williams, I. H. 2006. Spatial relationships between carabids and pest larvae in a winter oilseed rape crop. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 .

The effect of soil tillage on summer predator activity in a winter oilseed rape crop

C1 - Edited contributions to conferences/learned societies

Mason, N. S., Ferguson, A. W., Holdgate, R., Clark, S. J. and Williams, I. H. 2006. The effect of soil tillage on summer predator activity in a winter oilseed rape crop. Proceedings International Symposium on Integrated Pest Management, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

The diel periodicity of within-crop flight by key parasitoids of oilseed rape pests

C1 - Edited contributions to conferences/learned societies

Holdgate, R., Ferguson, A. W., Mason, N. S., Clark, S. J. and Williams, I. H. 2006. The diel periodicity of within-crop flight by key parasitoids of oilseed rape pests. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Insect problems in European oilseed rape cultivation, and how to deal with them: the OSR farmers' perspective

C1 - Edited contributions to conferences/learned societies

Menzler-Hokkanen, I., Hokkanen, H. M. T., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C., Ulber, B. and Williams, I. H. 2006. Insect problems in European oilseed rape cultivation, and how to deal with them: the OSR farmers' perspective.

Pollen availability and the distribution of pollen beetles and seed weevils in oilseed rape

C1 - Edited contributions to conferences/learned societies

Frearson, D. J. T., Ferguson, A. W., Campbell, J. M. and Williams, I. H. 2006. Pollen availability and the distribution of pollen beetles and seed weevils in oilseed rape. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

The use of DNA, morphometric and ecological data to distinguish ichneumonid parasitoids of two stem-mining pests of winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Barari, H., Piper, R. W., Smith, E. and Williams, I. H. 2006. The use of DNA, morphometric and ecological data to distinguish ichneumonid parasitoids of two stem-mining pests of winter oilseed rape. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Relationships between insect pests and their parasitoids in a winter oilseed rape crop

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Campbell, J. M., Barari, H., Warner, D. J., Watts, N. P. and Williams, I. H. 2006. Relationships between insect pests and their parasitoids in a winter oilseed rape crop. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Moglichkeiten der integrierten Kontrolle von Rapsschadlingen in der Praxis - Ergebnisse einer Umfrage im Rahmen des EU-Projektes MASTER

C2 - Non-edited contributions to conferences

Ulber, B., Buchs, W., Hokkanen, H., Menzler-Hokkanen, I., Klukowski, Z., Luik, A., Nilsson, C. and Williams, I. H. 2006. Moglichkeiten der integrierten Kontrolle von Rapsschadlingen in der Praxis - Ergebnisse einer Umfrage im Rahmen des EU-Projektes MASTER.

Comment on the proposed conservation of the specific name of Curculio assimilis Paykull, 1792 (currently Ceutorhynchus assimilis; Insecta, Coleoptera)

G - Articles in popular magazines and other technical publications

Williams, I. H. 2006. Comment on the proposed conservation of the specific name of Curculio assimilis Paykull, 1792 (currently Ceutorhynchus assimilis; Insecta, Coleoptera). Bulletin of Zoological Nomenclature. 63, pp. 272-273.

Key pests and their parasitoids on spring and winter oilseed rape in Estonia

A - Papers appearing in refereed journals

Veromann, E., Luik, A., Metspalu, L. and Williams, I. H. 2006. Key pests and their parasitoids on spring and winter oilseed rape in Estonia. Entomologica fennica. 17, pp. 400-404.

Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates

A - Papers appearing in refereed journals

Heard, M. S., Clark, S. J., Rothery, P., Perry, J. N., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Hawes, C., Haughton, A. J., May, M. J., Scott, R. J., Stuart, R. S., Squire, G. R. and Firbank, L. G. 2006. Effects of successive seasons of genetically modified herbicide-tolerant maize cropping on weeds and invertebrates. Annals of Applied Biology - AAB. 149 (3), pp. 249-254.

Working Group Integrated Control in Oilseed Crops (1979-present)

C1 - Edited contributions to conferences/learned societies

Koopmann, B., Cook, S. M., Williams, I. H. and Paul, V. H. 2006. Working Group Integrated Control in Oilseed Crops (1979-present). Boller, E. F., Delucchi, V. and Vanlenteren, J. C. (ed.) International Organization for Biological Control of Noxious Animals and Plants: history of the first 50 years . IOBC/OILB, Dijon. pp. 241-243

A new method for electrophysiological identification of antennal pH receptor cells in ground beetles: the example of Pterostichus aethiops (Panzer,1796) (Coleoptera, Carabidae)

A - Papers appearing in refereed journals

Milius, M., Merivee, E., Williams, I. H., Luik, A., Mand, M. and Must, A. 2006. A new method for electrophysiological identification of antennal pH receptor cells in ground beetles: the example of Pterostichus aethiops (Panzer,1796) (Coleoptera, Carabidae). Journal of Insect Physiology. 52, pp. 960-967.

Integrating parasitoids into management of pollen beetle on oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2006. Integrating parasitoids into management of pollen beetle on oilseed rape. Faculty of Agronomy, Estonian Agricultural University.

Issues concerning the design and analysis of comparative field experiments

A - Papers appearing in refereed journals

Welham, S. J. and Clark, S. J. 2006. Issues concerning the design and analysis of comparative field experiments. Outlooks on Pest Management. 17, pp. 175-180.

Weed seed resources for birds in fields with contrasting conventional and genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Gibbons, D. W., Bohan, D. A., Rothery, P., Stuart, R. C., Haughton, A. J., Scott, R. J., Wilson, J. D., Perry, J. N., Clark, S. J., Dawson, R. J. G. and Firbank, L. G. 2006. Weed seed resources for birds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. Proceedings of the Royal Society of London Series B Biological Sciences. 273, pp. 1921-1928.

Natural occurrence of pathogens of oilseed rape pests in agricultural fields in Europe

C1 - Edited contributions to conferences/learned societies

Zec-Vojinovic, M., Hokkanen, H. M. T., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C., Ulber, B. and Williams, I. H. 2006. Natural occurrence of pathogens of oilseed rape pests in agricultural fields in Europe. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Integrating biological control within IPM for winter oilseed rape in Europe: an overview of the MASTER project

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2006. Integrating biological control within IPM for winter oilseed rape in Europe: an overview of the MASTER project. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Bee-mediated infection of inflorescence pests of oilseed rape by the entomopathogenic fungus Metarhizium anisopliae

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Butt, T. M., Carreck, N. L., Clark, S. J., Ibrahim, L., Isger, E. A. and Pell, J. K. 2006. Bee-mediated infection of inflorescence pests of oilseed rape by the entomopathogenic fungus Metarhizium anisopliae. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Insect pests and their natural enemies on spring oilseed rape in Estonia: impact of cropping systems

A - Papers appearing in refereed journals

Veromann, E., Tarang, T., Kevvai, R., Luik, A. and Williams, I. H. 2006. Insect pests and their natural enemies on spring oilseed rape in Estonia: impact of cropping systems. Agricultural and Food Science. 15, pp. 61-72.

Wind direction and the direction of flights of parasitoids to oilseed rape: implications for IPM

C2 - Non-edited contributions to conferences

Williams, I. H., Barari, H., Frearson, D. J. T. and McCartney, H. A. 2006. Wind direction and the direction of flights of parasitoids to oilseed rape: implications for IPM. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Identity of parasitoids and their potential for biocontrol of oilseed rape pests in Europe

C2 - Non-edited contributions to conferences

Ulber, B., Fischer, K., Klukowski, Z., Luik, A., Veromann, E., Nilsson, C., Ahman, B., Williams, I. H., Ferguson, A. W., Piper, R. and Barari, H. 2006. Identity of parasitoids and their potential for biocontrol of oilseed rape pests in Europe. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Evaluation of farming systems to enhance biological control in oilseed rape

C2 - Non-edited contributions to conferences

Nilsson, C., Buchs, W., Hokkanen, H. M. T., Menzler-Hokkanen, I., Klukowski, Z., Luik, A., Ulber, B. and Williams, I. H. 2006. Evaluation of farming systems to enhance biological control in oilseed rape. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Effects of post-harvest soil tillage on the survival of key parasitoids of oilseed rape pests

C2 - Non-edited contributions to conferences

Nilsson, C., Ulber, B., Williams, I. H., Ferguson, A. W. and Klukowski, Z. 2006. Effects of post-harvest soil tillage on the survival of key parasitoids of oilseed rape pests. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Pest problems in oilseed rape and how to deal with them: the farmers' perspective

C2 - Non-edited contributions to conferences

Menzler-Hokkanen, I., Hokkanen, H. M. T., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C., Ulber, B. and Williams, I. H. 2006. Pest problems in oilseed rape and how to deal with them: the farmers' perspective. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Implementation of IPM stratgeies: constraints and motivations to change farming practices

C2 - Non-edited contributions to conferences

Menzler-Hokkanen, I., Hokkanen, H. M. T., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C., Ulber, B. and Williams, I. H. 2006. Implementation of IPM stratgeies: constraints and motivations to change farming practices. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Oilseed rape growers' knowledge of and attitudes towards IPM

C2 - Non-edited contributions to conferences

Menzler-Hokkanen, I., Hokkanen, H. M. T., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C., Ulber, B. and Williams, I. H. 2006. Oilseed rape growers' knowledge of and attitudes towards IPM. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

MASTER: construction of phenological models of key parasitoids in Europe and propsects for spray windows compatible with their conservation in winter oilseed rape

C2 - Non-edited contributions to conferences

Johnen, A., Williams, I. H., Ferguson, A. W., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C. and Ulber, B. 2006. MASTER: construction of phenological models of key parasitoids in Europe and propsects for spray windows compatible with their conservation in winter oilseed rape. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

MASTER: validation of existing phenological models of the proPlant DSS for key pests in winter oilseed rape in different climatic areas in Europe and prospects for IPM

C2 - Non-edited contributions to conferences

Johnen, A., Williams, I. H., Ferguson, A. W., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C. and Ulber, B. 2006. MASTER: validation of existing phenological models of the proPlant DSS for key pests in winter oilseed rape in different climatic areas in Europe and prospects for IPM. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Effectiveness of entomopathogenic nematodes in the control of oilseed rape pests

C2 - Non-edited contributions to conferences

Hokkanen, H. M. T., Zec-Vojinovic, M., Husberg, G-B., Menzler-Hokkanen, I., Buchs, W., Klukowski, Z., Luik, A., Nilsson, C., Ulber, B. and Williams, I. H. 2006. Effectiveness of entomopathogenic nematodes in the control of oilseed rape pests. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Key predator species in oilseed rape crops - a review of literature and MASTER results

C2 - Non-edited contributions to conferences

Buchs, W., Felsmann, D. S., Klukowski, Z., Luik, A., Nilsson, C., Ahmed, B., Ulber, B. and Williams, I. H. 2006. Key predator species in oilseed rape crops - a review of literature and MASTER results. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 . British Crop Protection Council (BCPC). pp. on CD-ROM

Regular periods of abdominal contractions recorded from larvae of the bumblebee, Bombus terrestris (Hymenoptera: Apidae)

A - Papers appearing in refereed journals

Mand, M., Kuusik, A., Martin, A-J., Williams, I. H., Luik, A., Karise, R., Metspalu, L. and Hiiesaar, K. 2006. Regular periods of abdominal contractions recorded from larvae of the bumblebee, Bombus terrestris (Hymenoptera: Apidae). European Journal of Entomology. 103, pp. 319-322.

Exploitation of host plant preferences in pest management strategies for oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Cook, S. M., Smart, L. E., Martin, J. L., Murray, D. A., Watts, N. P. and Williams, I. H. 2006. Exploitation of host plant preferences in pest management strategies for oilseed rape (Brassica napus). Entomologia Experimentalis et Applicata. 119 (3), pp. 221-229.

Long-term trends in aerial insect populations. Final report to English Nature

D1 - Technical reports: non-confidential

Shortall, C. R., Harrington, R., Hall, M. J. and Clark, S. J. 2006. Long-term trends in aerial insect populations. Final report to English Nature. English Nature.

Distributions and interactions of the stem miners Psylliodes chrysocephala and Ceutorhynchus pallidactylus and their parasitoids in a crop of winter oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Ferguson, A. W., Barari, H., Warner, D. J., Campbell, J. M., Smith, E. T., Watts, N. P. and Williams, I. H. 2006. Distributions and interactions of the stem miners Psylliodes chrysocephala and Ceutorhynchus pallidactylus and their parasitoids in a crop of winter oilseed rape (Brassica napus). Entomologia Experimentalis et Applicata. 119 (2), pp. 81-92.

Development of a push-pull strategy for control of oilseed rape pests

C2 - Non-edited contributions to conferences

Cook, S. M., Smart, L. E., Skellern, M. P., Watts, N. P. and Williams, I. H. 2006. Development of a push-pull strategy for control of oilseed rape pests. Proceedings International Symposium on Integrated Pest Management in Oilseed Rape, Gottingen, 3-5 April 2006 .

Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops

A - Papers appearing in refereed journals

Firbank, L. G., Rothery, P., May, M. J., Clark, S. J., Scott, R. J., Stuart, R. C., Boffey, C. W. H., Brooks, D. R., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Dewar, A. M., Perry, J. N. and Squire, G. R. 2006. Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops. Biology Letters. 2, pp. 140-143.

Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment

A - Papers appearing in refereed journals

Clark, S. J., Rothery, P. and Perry, J. N. 2006. Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 237-243.

Effect of fungal infection on the reproductive potential of aphids and their progeny

A - Papers appearing in refereed journals

Baverstock, J., Roy, H. E., Clark, S. J., Alderson, P. G. and Pell, J. K. 2006. Effect of fungal infection on the reproductive potential of aphids and their progeny. Journal of Invertebrate Pathology. 91, pp. 136-139.

The spatial dynamics of pollen beetles in relation to inflorescence growth stage of oilseed rape: implications for trap crop strategies

A - Papers appearing in refereed journals

Frearson, D. J. T., Ferguson, A. W., Campbell, J. M. and Williams, I. H. 2005. The spatial dynamics of pollen beetles in relation to inflorescence growth stage of oilseed rape: implications for trap crop strategies. Entomologia Experimentalis et Applicata. 116 (1), pp. 21-29.

The separation of two hymenopteran parasitoids, Tersilochus obscurator and Tersilochus microgaster (Ichneumonidae), of stem-mining pests of winter oilseed rape using DNA, morphometric and ecological data

A - Papers appearing in refereed journals

Barari, H., Ferguson, A. W., Piper, R. W., Smith, E., Quicke, D. L. J. and Williams, I. H. 2005. The separation of two hymenopteran parasitoids, Tersilochus obscurator and Tersilochus microgaster (Ichneumonidae), of stem-mining pests of winter oilseed rape using DNA, morphometric and ecological data. Bulletin of Entomological Research. 95, pp. 299-307.

Age-related increase in levels of insecticidal protein in the progenies of transgenic oilseed rape and its efficacy against a susceptible strain of diamondback moth

A - Papers appearing in refereed journals

Wei, W., Schuler, T. H., Clark, S. J., Stewart, C. N. and Poppy, G. M. 2005. Age-related increase in levels of insecticidal protein in the progenies of transgenic oilseed rape and its efficacy against a susceptible strain of diamondback moth. Annals of Applied Biology - AAB. 147 (3), pp. 227-234.

MASTER - integrating biological control within IPM for winter oilseed rape across Europe

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Buchs, W., Hokkanen, H., Menzler-Hokkanen, I., Johnen, A., Klukowski, Z., Luik, A., Nilsson, C. and Ulber, B. 2005. MASTER - integrating biological control within IPM for winter oilseed rape across Europe. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 31 October-2 November 2005 . pp. 301-308

Discontinuous gas exchange cycles and active ventilation in pupae of the bumblebee Bombus terrestris

A - Papers appearing in refereed journals

Mand, M., Kuusik, A., Martin, A-J., Williams, I. H., Luik, A., Karise, R., Metspalu, L. and Hiiesaar, K. 2005. Discontinuous gas exchange cycles and active ventilation in pupae of the bumblebee Bombus terrestris. Apidologie. 36 (4), pp. 561-570.

Wheat containing snowdrop lectin (GNA) does not affect infection of the cereal aphid Metopolophium dirhodum by the fungal natural enemy Pandora neoaphidis

A - Papers appearing in refereed journals

Shah, P. A., Gatehouse, A. M. R., Clark, S. J. and Pell, J. K. 2005. Wheat containing snowdrop lectin (GNA) does not affect infection of the cereal aphid Metopolophium dirhodum by the fungal natural enemy Pandora neoaphidis. Transgenic Research. 14, pp. 473-476.

Responses of pollen beetles (Meligethes aeneus) to petal colour

C2 - Non-edited contributions to conferences

Cook, S. M., Skellern, M. P., Smith, M. and Williams, I. H. 2005. Responses of pollen beetles (Meligethes aeneus) to petal colour. Abstracts Biannual Meeting IOBC Working Group on Integrated Control in Oilseed Crops, Poznan, 11-12 October 2005 . pp. 73

Sex determination of insect pests of oilseed rape for behavioural assays

C2 - Non-edited contributions to conferences

Cook, S. M., Watts, N. P. and Williams, I. H. 2005. Sex determination of insect pests of oilseed rape for behavioural assays. Abstracts Biannual Meeting IOBC Working Group on Integrated Control in Oilseed Crops, Poznan, 11-12 October 2005 . pp. 80

Responses of pollen beetles (Meligethes aeneus) to conspecific odours

C2 - Non-edited contributions to conferences

Cook, S. M., Watts, N. P. and Williams, I. H. 2005. Responses of pollen beetles (Meligethes aeneus) to conspecific odours. Abstracts Biannual Meeting IOBC Working Group on Integrated Control in Oilseed Crops, Poznan, 11-12 October 2005 . pp. 72

The behavioural responses of the pollen beetle (Meligethes aeneus )to floral colours and odours: designing a 'push-pull' pest management strategy

C2 - Non-edited contributions to conferences

Cook, S. M., Rasmussen, H. B., Skellern, M. P., Watts, N. P., Williams, I. H. and Powell, W. 2005. The behavioural responses of the pollen beetle (Meligethes aeneus )to floral colours and odours: designing a 'push-pull' pest management strategy. Abstracts Entomology 2005, Brighton, 12-14 September 2005 . pp. 27

Invertebrate biodiversity in maize following withdrawal of triazine herbicides

A - Papers appearing in refereed journals

Brooks, D. R., Clark, S. J., Perry, J. N., Bohan, D. A., Champion, G. T., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S. and Woiwod, I. P. 2005. Invertebrate biodiversity in maize following withdrawal of triazine herbicides. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 1497-1502.

Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect

A - Papers appearing in refereed journals

Schuler, T. H., Clark, A. J., Clark, S. J., Poppy, G. M., Stewart, C. N. Jr and Denholm, I. 2005. Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect. Bulletin of Entomological Research. 95, pp. 243-247.

Could learning of pollen odours by honey bees (Apis mellifera ) play a role in their foraging behaviour?

A - Papers appearing in refereed journals

Cook, S. M., Sandoz, J-C., Martin, A. P., Murray, D. A., Poppy, G. M. and Williams, I. H. 2005. Could learning of pollen odours by honey bees (Apis mellifera ) play a role in their foraging behaviour? Physiological Entomology. 30 (2), pp. 164-174.

Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape

A - Papers appearing in refereed journals

Bohan, D. A., Boffey, C. W. H., Brooks, D. R., Clark, S. J., Dewar, A. M., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S., May, M. J., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Squire, G. R., Woiwod, I. P. and Champion, G. T. 2005. Effects on weed and invertebrate abundance and diversity of herbicide management in genetically modified herbicide-tolerant winter-sown oilseed rape. Proceedings of the Royal Society of London Series B Biological Sciences. 272, pp. 463-474.

Effect of a turnip rape (Brassica rapa ) trap crop on stem-mining pests and their parasitoids in winter oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Barari, H., Cook, S. M., Clark, S. J. and Williams, I. H. 2005. Effect of a turnip rape (Brassica rapa ) trap crop on stem-mining pests and their parasitoids in winter oilseed rape (Brassica napus ). BioControl. 50, pp. 69-86.

Conservation biological control with the fungal pathogen Pandora neoaphidis : implications of aphid species, host plant and predator foraging

A - Papers appearing in refereed journals

Ekesi, S., Shah, P. A., Clark, S. J. and Pell, J. K. 2005. Conservation biological control with the fungal pathogen Pandora neoaphidis : implications of aphid species, host plant and predator foraging. Agricultural and Forest Entomology. 7 (1), pp. 21-30.

Incidence and feeding activity of epigeic, predatory invertebrates within winter oilseed rape in the UK with comparisons between integrated and conventional crop management

C1 - Edited contributions to conferences/learned societies

Piper, R. and Williams, I. H. 2004. Incidence and feeding activity of epigeic, predatory invertebrates within winter oilseed rape in the UK with comparisons between integrated and conventional crop management.

Rearing and identification of the larval parasitoids of Psylliodes chrysocephala and Ceutorhynchus pallidactylus from field-collected specimens

C1 - Edited contributions to conferences/learned societies

Barari, H., Cook, S. M. and Williams, I. H. 2004. Rearing and identification of the larval parasitoids of Psylliodes chrysocephala and Ceutorhynchus pallidactylus from field-collected specimens.

Phenology and spatial distributions of Dasineura brassicae and its parasitoids in a crop of winter oilseed rape: implications for integrated pest management

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Campbell, J. M., Warner, D. J., Watts, N. P., Schmidt, J. E. U. and Williams, I. H. 2004. Phenology and spatial distributions of Dasineura brassicae and its parasitoids in a crop of winter oilseed rape: implications for integrated pest management.

Spatial dynamics of pollen beetles (Meligethes aeneus ) in relation to inflorescence growth stage within a simulated trap crop system for oilseed rape

C1 - Edited contributions to conferences/learned societies

Frearson, D. J. T., Ferguson, A. W., Campbell, J. M. and Williams, I. H. 2004. Spatial dynamics of pollen beetles (Meligethes aeneus ) in relation to inflorescence growth stage within a simulated trap crop system for oilseed rape.

Effects of a turnip rape trap crop on the spatial distribution of Meligethes aeneus and Ceutorhynchus assimilis in oilseed rape

C1 - Edited contributions to conferences/learned societies

Cook, S. M., Watts, N. P., Hunter, F., Smart, L. E. and Williams, I. H. 2004. Effects of a turnip rape trap crop on the spatial distribution of Meligethes aeneus and Ceutorhynchus assimilis in oilseed rape.

The EU project MASTER (MAnagement STrategies for European Rape pests): a review of progress

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Buchs, W., Hokkanen, H., Klukowski, Z., Luik, A., Menzler-Hokkanen, I., Nilsson, C. and Ulber, B. 2004. The EU project MASTER (MAnagement STrategies for European Rape pests): a review of progress.

Spatio-temporal distributions of pests and their key parasitoids in a crop of winter oilseed rape: implications for integrated pest management

C2 - Non-edited contributions to conferences

Williams, I. H., Ferguson, A. W., Barari, H., Campbell, J., Warner, D. J., Watts, N. and Schmidt, J. E. U. 2004. Spatio-temporal distributions of pests and their key parasitoids in a crop of winter oilseed rape: implications for integrated pest management. Abstracts Strength in Diversity: 22nd International Congress of Entomology, Brisbane, 15-21 August 2004 .

Effects of turnip rape (Brassica rapa ) trap crop and insecticide treatment on infestation of winter oilseed rape (Brassica napus ) by coleopteran stem-mining pests and their parasitoids

C1 - Edited contributions to conferences/learned societies

Barari, H., Cook, S. M., Watts, N. P. and Williams, I. H. 2004. Effects of turnip rape (Brassica rapa ) trap crop and insecticide treatment on infestation of winter oilseed rape (Brassica napus ) by coleopteran stem-mining pests and their parasitoids. Proceedings 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 . pp. 1015-1017

Advances in insect pest management of oilseed rape in Europe

B - Book chapters etc edited externally

Williams, I. H. 2004. Advances in insect pest management of oilseed rape in Europe. in: Horowitz, A. R. and Ishaaya, I. (ed.) Insect pest management Springer, Berlin. pp. 181-208

Pushing insects around: the use of 'push-pull' strategies in integrated pest management

C2 - Non-edited contributions to conferences

Cook, S. M., Powell, W., Smart, L. E., Watts, N. P. and Williams, I. H. 2004. Pushing insects around: the use of 'push-pull' strategies in integrated pest management. Abstracts Strength in Diversity: 22nd International Congress of Entomology, Brisbane, 15-21 August 2004 .

On the target entomofauna of an organic winter oilseed rape field in Estonia

C1 - Edited contributions to conferences/learned societies

Tarang, T., Veromann, E., Luik, A. and Williams, I. H. 2004. On the target entomofauna of an organic winter oilseed rape field in Estonia.

Interactions between Pandora blunckii and Zoophthora radicans isolates in Plutella xylostella populations

C2 - Non-edited contributions to conferences

Guzman-Franco, A., Clark, S. J., Alderson, P. G. and Pell, J. K. 2004. Interactions between Pandora blunckii and Zoophthora radicans isolates in Plutella xylostella populations. Abstracts 37th Annual Meeting of the Society for Invertebrate Pathology, Helsinki, 1-6 August 2004 . pp. 68

Evidence for gene flow and local clonal selection in field populations of the grain aphid (Sitobion avenae ) in Britain revealed using microsatellites

A - Papers appearing in refereed journals

Llewellyn, K. S., Loxdale, H. D., Harrington, R., Clark, S. J. and Sunnucks, P. 2004. Evidence for gene flow and local clonal selection in field populations of the grain aphid (Sitobion avenae ) in Britain revealed using microsatellites. Heredity. 93, pp. 143-153.

Effect of fungal infection on the reproductive potential of aphids and their progeny

C2 - Non-edited contributions to conferences

Baverstock, J., Roy, H. E., Clark, S. J. and Pell, J. K. 2004. Effect of fungal infection on the reproductive potential of aphids and their progeny. Abstracts 37th Annual Meeting of the Society for Invertebrate Pathology, Helsinki, 1-6 August 2004 . pp. 68

Research needs on the design, analysis and statistical powers of studies of the effects of agricultural practices on biodiversity

C1 - Edited contributions to conferences/learned societies

Perry, J. N., Clark, S. J. and Rothery, P. 2004. Research needs on the design, analysis and statistical powers of studies of the effects of agricultural practices on biodiversity. Watt, A. D., Kull, T., Scally, L., Tinch, R., Young, J. and Bolger, T. (ed.) Sustaining Livelihoods and Biodiversity - Attaining the 2010 Target in the European Biodiversity Strategy. Report of an Electronic Conference, May 2004 . pp. 36

MASTER - ein neues EU-Projekt zur Bedeutung der naturlichen Gegenspieler fur die biologische Kontrolle von Schadlingen im integrierten Rapsanbau in Europa

C1 - Edited contributions to conferences/learned societies

Ulber, B., Buchs, W., Hokkanen, H., Johnen, A., Klukowski, Z., Luik, A., Menzler-Hokkanen, I., Nilsson, C. and Williams, I. H. 2004. MASTER - ein neues EU-Projekt zur Bedeutung der naturlichen Gegenspieler fur die biologische Kontrolle von Schadlingen im integrierten Rapsanbau in Europa.

Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping

A - Papers appearing in refereed journals

Perry, J. N., Firbank, L. G., Champion, G. T., Clark, S. J., Heard, M. S., May, M. J., Hawes, C., Squire, G. R., Rothery, P., Woiwod, I. P. and Pidgeon, J. D. 2004. Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping. Nature. 428 (6980), pp. 313-316.

Effects of Bt plants on the development and survival of the parasitoid Cotesia plutellae (Hymenoptera: Braconidae) in susceptible and Bt-resistant larvae of the diamondback moth Plutella xylostella (Lepidoptera: Plutellidae)

A - Papers appearing in refereed journals

Schuler, T. H., Denholm, I., Clark, S. J., Stewart, C. N. and Poppy, G. M. 2004. Effects of Bt plants on the development and survival of the parasitoid Cotesia plutellae (Hymenoptera: Braconidae) in susceptible and Bt-resistant larvae of the diamondback moth Plutella xylostella (Lepidoptera: Plutellidae). Journal of Insect Physiology. 50, pp. 435-443.

Do pollen beetles need pollen? The effect of pollen on oviposition, survival and development of a flower-feeding herbivore

A - Papers appearing in refereed journals

Cook, S. M., Murray, D. A. and Williams, I. H. 2004. Do pollen beetles need pollen? The effect of pollen on oviposition, survival and development of a flower-feeding herbivore. Ecological Entomology. 29 (2), pp. 164-173.

Assessment of aphid host range and isolate variability in Pandora neoaphidis (Zygomycetes: Entomophthorales)

A - Papers appearing in refereed journals

Shah, P. A., Clark, S. J. and Pell, J. K. 2004. Assessment of aphid host range and isolate variability in Pandora neoaphidis (Zygomycetes: Entomophthorales). Biological Control. 29, pp. 90-99.

Major new developments at Rothamsted

G - Articles in popular magazines and other technical publications

Williams, I. H. and Ball, B. V. 2003. Major new developments at Rothamsted. The Beekeepers Quarterly. 72, pp. 16-17.

Sampling, trapping and rearing oilseed rape pests and their parasitoids

B - Book chapters etc edited externally

Williams, I. H., Buchi, R. and Ulber, B. 2003. Sampling, trapping and rearing oilseed rape pests and their parasitoids. in: Alford, D. V. (ed.) Biocontrol of oilseed rape pests Blackwell Scientific Publications, Oxford. pp. 145-160

Parasitoids of brassica pod midge

B - Book chapters etc edited externally

Williams, I. H. 2003. Parasitoids of brassica pod midge. in: Alford, D. V. (ed.) Biocontrol of oilseed rape pests Blackwell Scientific Publications, Oxford. pp. 113-123

Parasitoids of cabbage seed weevil

B - Book chapters etc edited externally

Williams, I. H. 2003. Parasitoids of cabbage seed weevil. in: Alford, D. V. (ed.) Biocontrol of oilseed rape pests Blackwell Scientific Publications, Oxford. pp. 97-112

Mapping, characterisation and comparison of the spatio-temporal distributions of cabbage stem flea beetle (Psylliodes chrysocephala ), carabids and Collembola in a crop of winter oilseed rape (Brassica napus )

A - Papers appearing in refereed journals

Warner, D. J., Allen-Williams, L. J., Warrington, S., Ferguson, A. W. and Williams, I. H. 2003. Mapping, characterisation and comparison of the spatio-temporal distributions of cabbage stem flea beetle (Psylliodes chrysocephala ), carabids and Collembola in a crop of winter oilseed rape (Brassica napus ). Entomologia Experimentalis et Applicata. 109, pp. 225-234.

Parasitoids of flea beetles

B - Book chapters etc edited externally

Ulber, B. and Williams, I. H. 2003. Parasitoids of flea beetles. in: Alford, D. V. (ed.) Biocontrol of oilseed rape pests Blackwell Scientific Publications, Oxford. pp. 125-138

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 April 2003.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G. and Woiwod, I. P. 2003. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2003.

Spatio-temporal distributions of Meligethes aeneus and its parasitoids in an oilseed rape crop and their significance for crop protection

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Campbell, J. M., Warner, D. J., Watts, N. P., Schmidt, J. E. U. and Williams, I. H. 2003. Spatio-temporal distributions of Meligethes aeneus and its parasitoids in an oilseed rape crop and their significance for crop protection. Proceedings 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 . pp. 1057-1059

Direct and indirect estimates of Pandora neoaphidis conidia in laboratory bioassays with aphids

A - Papers appearing in refereed journals

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Direct and indirect estimates of Pandora neoaphidis conidia in laboratory bioassays with aphids. Journal of Invertebrate Pathology. 84, pp. 145-147.

Population dynamics of the large nettle aphid, Microlophium carnosum , and entomopathogenic fungi

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Population dynamics of the large nettle aphid, Microlophium carnosum , and entomopathogenic fungi. Abstracts British Ecological Society Annual Meeting, Manchester, 9-11 September 2003 .

The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report)

D1 - Technical reports: non-confidential

Firbank, L. G., Perry, J. N., Squire, G. R., Bohan, D. A., Brooks, D. R., Champion, G. T., Clark, S. J., Daniels, R. E., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M. S., Hill, M. O., May, M. J., Osborne, J. L., Rothery, P., Roy, D. B., Scott, R. J. and Woiwod, I. P. 2003. The implications of spring-sown genetically modified herbicide-tolerant crops for farmland biodiversity: a commentary on the Farm Scale Evaluations of spring sown crops (DEFRA report).

Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Rothery, P., Clark, S. J. and Perry, J. N. 2003. Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops. Environmetrics. 14 (7), pp. 711-717.

Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Hawes, C., Haughton, A. J., Osborne, J. L., Roy, D. B., Clark, S. J., Perry, J. N., Rothery, P., Bohan, D. A., Brooks, D. R., Champion, G. T., Dewar, A. M., Heard, M. S., Woiwod, I. P., Daniels, R. E., Young, M. W., Parish, A. M., Scott, R. J., Firbank, L. G. and Squire, G. R. 2003. Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1899-1913.

Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Roy, D. B., Bohan, D. A., Haughton, A. J., Hill, M. O., Osborne, J. L., Clark, S. J., Perry, J. N., Rothery, P., Scott, R. J., Brooks, D. R., Champion, G. T., Hawes, C., Heard, M. S. and Firbank, L. G. 2003. Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1879-1898.

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods

A - Papers appearing in refereed journals

Haughton, A. J., Champion, G. T., Hawes, C., Heard, M. S., Brooks, D. R., Bohan, D. A., Clark, S. J., Dewar, A. M., Firbank, L. G., Osborne, J. L., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Browne, E. L., Dewar, A. J. G., Garner, B. H., Haylock, L. A., Horne, S. L., Mason, N. S., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1863-1877.

Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates

A - Papers appearing in refereed journals

Brooks, D. R., Bohan, D. A., Champion, G. T., Haughton, A. J., Hawes, C., Heard, M. S., Clark, S. J., Dewar, A. M., Firbank, L. G., Perry, J. N., Rothery, P., Scott, R. J., Woiwod, I. P., Birchall, C., Skellern, M. P., Walker, J. H., Baker, P., Bell, D., Browne, E. L., Dewar, A. J. G., Fairfax, C. M., Garner, B. H., Haylock, L. A., Horne, S. L., Hulmes, S. E., Mason, N. S., Norton, L. R., Nuttall, P., Sands, R. J. N. and Walker, M. J. 2003. Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1847-1862.

Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species

A - Papers appearing in refereed journals

Heard, M. S., Hawes, C., Champion, G. T., Clark, S. J., Firbank, L. G., Haughton, A. J., Parish, A. M., Perry, J. N., Rothery, P., Roy, D. B., Scott, R. J., Skellern, M. P., Squire, G. R. and Hill, M. O. 2003. Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1833-1846.

Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity

A - Papers appearing in refereed journals

Heard, M. S., Hawes, C., Champion, G. T., Clark, S. J., Firbank, L. G., Haughton, A. J., Parish, A. M., Perry, J. N., Rothery, P., Scott, R. J., Skellern, M. P., Squire, G. R. and Hill, M. O. 2003. Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1819-1832.

Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Champion, G. T., May, M. J., Bennett, S., Brooks, D. R., Clark, S. J., Daniels, R. E., Firbank, L. G., Haughton, A. J., Hawes, C., Heard, M. S., Perry, J. N., Randle, Z., Rossall, M. J., Rothery, P., Skellern, M. P., Scott, R. J., Squire, G. R. and Thomas, M. R. 2003. Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philosophical Transactions of the Royal Society B-Biological Sciences. 358, pp. 1801-1818.

Are honey bees' foraging preferences affected by pollen amino acid composition

A - Papers appearing in refereed journals

Cook, S. M., Awmack, C. S., Murray, D. A. and Williams, I. H. 2003. Are honey bees' foraging preferences affected by pollen amino acid composition. Ecological Entomology. 28 (5), pp. 622-627.

Tritrophic interactions between Pandora neoaphidis , three aphid species and different host plant resources

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Tritrophic interactions between Pandora neoaphidis , three aphid species and different host plant resources. Abstracts 36th Annual Meeting of the Society for Invertebrate Pathology, Burlington, 26-30 July 2003 . pp. 72

Ecological role of the large nettle aphid, Microlophium carnosum , as an early season source of Pandora neoaphidis

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2003. Ecological role of the large nettle aphid, Microlophium carnosum , as an early season source of Pandora neoaphidis. Abstracts 36th Annual Meeting of the Society for Invertebrate Pathology, Burlington, 26-30 July 2003 . pp. 71-72

Effects of a turnip rape (Brassica rapa ) trap crop and insecticide treatment on infestation of winter oilseed rape (Brassica napus ) by coleopteran stem-mining pests and their parasitoids

C2 - Non-edited contributions to conferences

Barari, H., Cook, S. M., Watts, N. P. and Williams, I. H. 2003. Effects of a turnip rape (Brassica rapa ) trap crop and insecticide treatment on infestation of winter oilseed rape (Brassica napus ) by coleopteran stem-mining pests and their parasitoids. Abstracts 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 .

Management strategies for winter oilseed rape to enhance biocontrol of rape pests

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Buchs, W., Hokkanen, H., Klukowski, Z., Luik, A., Menzier-Hokkanen, I., Nilsson, C. and Ulber, B. 2003. Management strategies for winter oilseed rape to enhance biocontrol of rape pests. Proceedings 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 . pp. 1011-1013

Push-pull strategies to reduce insecticide input to oilseed rape (Brassica napus ): potential of low alkenyl glucosinolate oilseed rape varieties (push!) and turnip rape (Brassica rapa ) trap crops (pull!)

C2 - Non-edited contributions to conferences

Cook, S. M., Smart, L. E., Rasmussen, H. B., Bartlet, E., Martin, J. L., Murray, D. A., Watts, N. P. and Williams, I. H. 2003. Push-pull strategies to reduce insecticide input to oilseed rape (Brassica napus ): potential of low alkenyl glucosinolate oilseed rape varieties (push!) and turnip rape (Brassica rapa ) trap crops (pull!). Abstracts 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 . pp. 122

Push-pull strategies to reduce insecticide input to oilseed rape (Brassica napus ): potential of low alkenyl glucosinolate oilseed rape varieties (push!), and turnip rape (Brassica rapa ) trap crops (pull!)

C1 - Edited contributions to conferences/learned societies

Cook, S. M., Smart, L. E., Rasmussen, H. B., Bartlet, E., Martin, J. L., Murray, D. A., Watts, N. P. and Williams, I. H. 2003. Push-pull strategies to reduce insecticide input to oilseed rape (Brassica napus ): potential of low alkenyl glucosinolate oilseed rape varieties (push!), and turnip rape (Brassica rapa ) trap crops (pull!). Proceedings 11th International Rapeseed Congress, Copenhagen, 6-10 July 2003 . pp. 1018-1021

Impacts of environmental change on aphids throughout Europe

C2 - Non-edited contributions to conferences

Harrington, R., Denholm, C. H., Verrier, P. J., Clark, S. J., Welham, S. J., Hulle, M., Maurice, D., Rounsevell, M., Cocu, N., Knight, J., Bell, N., Barbagallo, S., Basky, Z., Coceano, P. G., Derron, J., Katis, N., Lukasova, H., Marrkula, I., Mohar, J., Pickup, J., Rolot, J-L., Ruszkowska, M., Schliephake, E., Seco-Fernandez, M-V., Sigvald, R., Tsitsipis, J. and Ulber, B. 2003. Impacts of environmental change on aphids throughout Europe. Abstracts Integrated Biological Systems Conference, San Antonio, Texas, 14-16 April 2003 . pp. 39-40

Spatial distribution of pest insects in oilseed rape: implications for integrated pest management

A - Papers appearing in refereed journals

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2003. Spatial distribution of pest insects in oilseed rape: implications for integrated pest management. Agriculture, Ecosystems & Environment. 95, pp. 509-521.

Design, analysis and statistical power of the Farm-Scale Evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Perry, J. N., Rothery, P., Clark, S. J., Heard, M. S. and Hawes, C. 2003. Design, analysis and statistical power of the Farm-Scale Evaluations of genetically modified herbicide-tolerant crops. Journal of Applied Ecology. 40 (1), pp. 17-31.

Laboratory evaluation of temperature effects on the germination and growth of entomopathogenic fungi and on their pathogenicity to two aphid species

A - Papers appearing in refereed journals

Yeo, H., Pell, J. K., Alderson, P. G., Clark, S. J. and Pye, B. J. 2003. Laboratory evaluation of temperature effects on the germination and growth of entomopathogenic fungi and on their pathogenicity to two aphid species. Pest Management Science. 59 (2), pp. 156-165.

The convention on biological diversity adopts the International Pollinator Initiative

G - Articles in popular magazines and other technical publications

Williams, I. H. 2003. The convention on biological diversity adopts the International Pollinator Initiative. Bee World. 84, pp. 27-31.

Migration and genetic structure of the grain aphid (Sitobion avenae ) in Britain related to climate and clonal fluctuation as revealed using microsatellites

A - Papers appearing in refereed journals

Llewellyn, K. S., Loxdale, H. D., Harrington, R., Brookes, C. P., Clark, S. J. and Sunnucks, P. 2003. Migration and genetic structure of the grain aphid (Sitobion avenae ) in Britain related to climate and clonal fluctuation as revealed using microsatellites. Molecular Ecology. 12 (1), pp. 21-34.

Tritrophic choice experiments with Bt plants, the diamondback moth (Plutella xylostella ) and the parasitoid Cotesia plutellae

A - Papers appearing in refereed journals

Schuler, T. H., Potting, R. P. J., Denholm, I., Clark, S. J., Clark, A. J., Stewart, C. N. and Poppy, G. M. 2003. Tritrophic choice experiments with Bt plants, the diamondback moth (Plutella xylostella ) and the parasitoid Cotesia plutellae. Transgenic Research. 12, pp. 351-361.

Pollen beetle spatio-temporal distributions in semi field scale arrays of oilseed rape plants

C2 - Non-edited contributions to conferences

Frearson, D. J. T., Ferguson, A. W., Campbell, J. C. and Williams, I. H. 2002. Pollen beetle spatio-temporal distributions in semi field scale arrays of oilseed rape plants. Abstracts 6th National Meeting of the Royal Entomological Society, Cardiff, 12-13 September 2002 .

Bee behaviour and pollination ecology

G - Articles in popular magazines and other technical publications

Williams, I. H. and Osborne, J. L. 2002. Bee behaviour and pollination ecology. Institute Of Arable Crops Research Annual Report. 2001-2002, pp. 24-27.

Pesticide risk to bee pollinators

G - Articles in popular magazines and other technical publications

Lewis, G., Stevenson, J. H. and Williams, I. H. 2002. Pesticide risk to bee pollinators.

Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Murchie, A. K., Ferguson, A. W., Klukowski, Z., Perry, J. N. and Walczak, B. 2002. Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 27 March 2002.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002

D1 - Technical reports: non-confidential

Firbank, L. G., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Fairfax, C., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Whittaker, D. and Woiwod, I. P. 2002. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 1 November 2002.

Examine(exploitation of aphis monitoring in europe): an EU thematic network for the study of global change impacts on aphid dynamics

C2 - Non-edited contributions to conferences

Denholm, C. H., Barbagallo, S., Basky, Z., Bell, J. N. B., Clark, S. J., Coceano, P-G., Cocu, N., Colucci, R., Derron, J., Ferrara, V., Gotlin Euljak, T., Harrington, R., Hatala Zseller, I., Hulle, M., Katis, N., Knight, J. D., Limonta, L., Lukasova, H., Markkula, I., Maurice, D., Mohar, J., Pickup, J., Rolot, J-L., Rounsevell, M. D. A., Ruszkowska, M., Schleiphake, E., Seco-Fernandez, M. V., Sigvald, R., Verrier, P. J. and Welham, S. J. 2002. Examine(exploitation of aphis monitoring in europe): an EU thematic network for the study of global change impacts on aphid dynamics. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 317

GM crops, risk assessment, bees and honey

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2002. GM crops, risk assessment, bees and honey.

GM crops, bee foraging behaviour and gene flow

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2002. GM crops, bee foraging behaviour and gene flow.

Laboratory bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (Acari: Mesostigmata), an ectoparasitic mite of the honeybee, Apis mellifera

A - Papers appearing in refereed journals

Shaw, K. E., Davidson, G., Clark, S. J., Ball, B. V., Pell, J. K., Chandler, D. and Sunderland, K. D. 2002. Laboratory bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (Acari: Mesostigmata), an ectoparasitic mite of the honeybee, Apis mellifera. Biological Control. 24, pp. 266-276.

The role of pollen odour in the attraction of pollen beetles to oilseed rape flowers

A - Papers appearing in refereed journals

Cook, S. M., Bartlet, E., Murray, D. A. and Williams, I. H. 2002. The role of pollen odour in the attraction of pollen beetles to oilseed rape flowers. Entomologia Experimentalis et Applicata. 104 (1), pp. 43-50.

The variational expression of Bt proteins within transgenic canola and its movement through trophic levels

C2 - Non-edited contributions to conferences

Wei, W., Schuler, T. H., Clark, S. J., Stewart, C. N. and Poppy, G. M. 2002. The variational expression of Bt proteins within transgenic canola and its movement through trophic levels. Abstracts 7th International Symposium on the Biosafety of Genetically Modified Organisms, Beijing, 10-16 October 2002 .

The International Pollinator Initiative

C2 - Non-edited contributions to conferences

Williams, I. H. 2002. The International Pollinator Initiative. Proceedings 6th European Bee Conference, Cardiff, 1-5 July 2002 . pp. 37-38

MASTER: management strategies for European rape pests - a new EU project

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Buchs, W., Hokkanen, H., Menzler-Hokkanen, I., Johnen, A., Klukowski, Z., Luik, A., Nilsson, C. and Ulber, B. 2002. MASTER: management strategies for European rape pests - a new EU project. Proceedings Brighton Crop Protection Conference - Pests and Diseases 2002 . pp. 641-646

Insect pollination and crop production: a European perspective

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2002. Insect pollination and crop production: a European perspective. Kevan, P. G. and Imperatriz-Fonseca, V. L. (ed.) The Conservation Link Between Agriculture and Nature: Proceedings of the Workshop on the Conservation and Sustainable Use of Pollinators in Agriculture with Emphasis on Bees, Sao Paulo, October 1998 . pp. 59-65

Integrated pest management strategies incorporating bio-control for European oilseed rape pests

C2 - Non-edited contributions to conferences

Williams, I. H., Buchs, W., Hokkanen, H., Johnen, A., Klukowski, Z., Luik, A., Menzler-Hokkanen, I., Nilsson, C. and Ulber, B. 2002. Integrated pest management strategies incorporating bio-control for European oilseed rape pests. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 .

Cultivation of GM crops in the EU, farmland biodiversity and bees

A - Papers appearing in refereed journals

Williams, I. H. 2002. Cultivation of GM crops in the EU, farmland biodiversity and bees. Bee World. 83, pp. 119-133.

Design, analysis and power considerations of field-scale ecological assessments of genetically modified crops

C2 - Non-edited contributions to conferences

Perry, J. N., Rothery, P., Clark, S. J., Heard, M. S. and Hawes, C. 2002. Design, analysis and power considerations of field-scale ecological assessments of genetically modified crops. Abstracts ESF Workshop on Ecological Concepts and Techniques to Assess the Impact of Genetically Modified Plants in Natural and Crop Ecosystems, Klarskovgard, 1-2 November 2002 . pp. 20

Spatial pattern in the distribution of pests and yield in an oilseed rape crop: implications for ICM

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Perry, J. N., Williams, I. H., Klukowski, Z., Walczak, B., Clark, S. J. and Mugglestone, M. A. 2002. Spatial pattern in the distribution of pests and yield in an oilseed rape crop: implications for ICM. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 659-664

Turnip rape (Brassica rapa) as a trap crop to protect oilseed rape (Brassica napus) from infestation by insect pests: potential and mechanisms of action

C1 - Edited contributions to conferences/learned societies

Cook, S. M., Smart, L. E., Potting, R. J. P., Bartlet, E., Martin, J. L., Murray, D. A., Watts, N. P. and Williams, I. H. 2002. Turnip rape (Brassica rapa) as a trap crop to protect oilseed rape (Brassica napus) from infestation by insect pests: potential and mechanisms of action. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 569-574

The EU regulatory framework for GM foods in relation to bee products

A - Papers appearing in refereed journals

Williams, I. H. 2002. The EU regulatory framework for GM foods in relation to bee products. Bee World. 83, pp. 78-87.

The EU regulatory framework for GM crops in relation to bees

A - Papers appearing in refereed journals

Williams, I. H. 2002. The EU regulatory framework for GM crops in relation to bees. Bee World. 83, pp. 24-35.

Bumblebees in the agricultural landscape of Estonia

A - Papers appearing in refereed journals

Mand, M., Mand, R. and Williams, I. H. 2002. Bumblebees in the agricultural landscape of Estonia. Agriculture, Ecosystems & Environment. 89, pp. 69-76.

Spatial patterns of insect pest distribution in an oilseed rape crop: relationships to plant growth and yield and significance for IPM

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2002. Spatial patterns of insect pest distribution in an oilseed rape crop: relationships to plant growth and yield and significance for IPM. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 207

Spatial pattern and the relationship between pests and plant growth in a winter oilseed rape crop

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Clark, S. J., Mugglestone, M. A., Perry, J. N. and Williams, I. H. 2002. Spatial pattern and the relationship between pests and plant growth in a winter oilseed rape crop. Abstracts 6th National Meeting of the Royal Entomological Society, Cardiff, 12-13 September 2002 . pp. 15-16

Management strategies for European rape pests - a new EU project

C2 - Non-edited contributions to conferences

Williams, I. H. 2002. Management strategies for European rape pests - a new EU project. Abstracts 6th National Meeting of the Royal Entomological Society, Cardiff, 12-13 September 2002 .

A tiered approach for evaluating Erynia neoaphidis isolates against seven aphid species

C2 - Non-edited contributions to conferences

Shah, P. A., Clark, S. J. and Pell, J. K. 2002. A tiered approach for evaluating Erynia neoaphidis isolates against seven aphid species. Abstracts 35th Annual Meeting of the Society for Invertebrate Pathology, Foz do Iguassu, Brazil, 18-23 August 2002 . pp. 104

Design and analysis of farm-scale evaluations of genetically modified herbicide-tolerant crops

C1 - Edited contributions to conferences/learned societies

Rothery, P., Clark, S. J. and Perry, J. N. 2002. Design and analysis of farm-scale evaluations of genetically modified herbicide-tolerant crops. Proceedings 21st International Biometric Conference, Freiburg, 21-26 July 2002 . pp. 351-364

How far do honey bees fly to fields of Brassica napus (oilseed rape)?

C2 - Non-edited contributions to conferences

Osborne, J. L., Carreck, N. L. and Williams, I. H. 2002. How far do honey bees fly to fields of Brassica napus (oilseed rape)? Abstracts Royal Entomological Society Meeting on Insect Pollination Ecology, Exeter, 4 May 2002 .

Turnip rape as a trap crop to protect oilseed rape from infestation by insect pests: potential and mechanisms of action

C2 - Non-edited contributions to conferences

Cook, S. M., Smart, L. E., Potting, R. P. J., Bartlet, E., Martin, J. L., Murray, D. A., Watts, N. P. and Williams, I. H. 2002. Turnip rape as a trap crop to protect oilseed rape from infestation by insect pests: potential and mechanisms of action. Abstracts 6th National Meeting of the Royal Entomological Society, Cardiff, 12-13 September 2002 .

Food for insect pollinators on farmland: insect visits to flowers of annual seed mixtures

A - Papers appearing in refereed journals

Carreck, N. L. and Williams, I. H. 2002. Food for insect pollinators on farmland: insect visits to flowers of annual seed mixtures. Journal of Insect Conservation. 6, pp. 13-23.

Insect spatial population dynamics in winter rape: potential to reduce environmental impacts

C2 - Non-edited contributions to conferences

Warner, D. J., Allen-Williams, L. J., Ferguson, A. W. and Williams, I. H. 2002. Insect spatial population dynamics in winter rape: potential to reduce environmental impacts. Abstracts Conference on Managing the Environmental Effects of Agriculture, Coventry, 25-26 March 2002 .

Bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (sp. nov), an ectoparasitic mite of the honey bee, Apis mellifera

C2 - Non-edited contributions to conferences

Shaw, K. E., Davidson, G., Clark, S. J., Ball, B. V., Pell, J. K., Chandler, D. and Sunderland, K. 2001. Bioassays to assess the pathogenicity of mitosporic fungi to Varroa destructor (sp. nov), an ectoparasitic mite of the honey bee, Apis mellifera. Abstracts 34th Annual Meeting of the Society for Invertebrate Pathology, Noordwijkerhout, 25-30 August 2001 .

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 31 January 2001.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001

D1 - Technical reports: non-confidential

Firbank, L. G., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2001. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 11 October 2001.

The role of pollen odour in the attraction of pollen beetles to oilseed rape flowers

C2 - Non-edited contributions to conferences

Cook, S. M., Bartlet, E., Murray, D. A. and Williams, I. H. 2001. The role of pollen odour in the attraction of pollen beetles to oilseed rape flowers. Abstracts 11th International Symposium on Insect-Plant Relationships, Helsingor, Denmark, 4-10 August 2001 . pp. 34

Comparison of the use of two nematode-trapping fungi in the control of Haemonchus contortus infective larvae in ovine faeces

A - Papers appearing in refereed journals

Flores Crespo, J., Mendoza De Gives, P., Herrera Rodriguez, D., Liebano Hernandez, E., Vazquez Prats, V. and Clark, S. J. 2001. Comparison of the use of two nematode-trapping fungi in the control of Haemonchus contortus infective larvae in ovine faeces. International journal of nematology. 11, pp. 253-259.

GM crops, bee foraging behaviour and gene flow

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2001. GM crops, bee foraging behaviour and gene flow. Proceedings 37th International Apicultural Congress, Durban, 28 October-1 November 2001 .

Pollen and gene flow mediated by bees

C2 - Non-edited contributions to conferences

Williams, I. H. 2001. Pollen and gene flow mediated by bees. Abstracts 8th International Pollination Symposium, Hungary, 10-14 July 2000 .

Bee-mediated pollen and gene flow from GM plants

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2001. Bee-mediated pollen and gene flow from GM plants. International Society of Horticultural Science (ISHS).

Welcome to Symposium participants on behalf of ICPBR

C2 - Non-edited contributions to conferences

Williams, I. H. 2001. Welcome to Symposium participants on behalf of ICPBR. International Society of Horticultural Science (ISHS).

Are fecundity and longevity of female Aphelinus abdominalis affected by development in GNA-dosed Macrosiphum euphorbiae?

A - Papers appearing in refereed journals

Couty, A., Clark, S. J. and Poppy, G. M. 2001. Are fecundity and longevity of female Aphelinus abdominalis affected by development in GNA-dosed Macrosiphum euphorbiae? Physiological Entomology. 26 (4), pp. 287-293.

Pollination and gene flow in white clover, growing in a patchy habitat

C1 - Edited contributions to conferences/learned societies

Osborne, J. L., Williams, I. H., Marshall, A. H. and Michaelson-Yeates, T. P. T. 2001. Pollination and gene flow in white clover, growing in a patchy habitat. International Society of Horticultural Science (ISHS).

GM crops, bee foraging behaviour and gene flow

C2 - Non-edited contributions to conferences

Williams, I. H. 2001. GM crops, bee foraging behaviour and gene flow. Abstracts 37th International Apicultural Congress, Durban, 28 October-1 November 2001 . pp. 129

How far do honey bees fly to fields of Brassica napus (oilseed rape)?

C1 - Edited contributions to conferences/learned societies

Osborne, J. L., Carreck, N. L. and Williams, I. H. 2001. How far do honey bees fly to fields of Brassica napus (oilseed rape)? Proceedings 37th International Apicultural Congress, Durban, 28 October-1 November 2001 .

How far do honey bees fly to fields of Brassica napus (oilseed rape)?

C2 - Non-edited contributions to conferences

Osborne, J. L., Carreck, N. L. and Williams, I. H. 2001. How far do honey bees fly to fields of Brassica napus (oilseed rape)? Abstracts 37th International Apicultural Congress, Durban, 28 October-1 November 2001 . pp. 130

Goat's rue

A - Papers appearing in refereed journals

Carreck, N. L., Mand, M. and Williams, I. H. 2001. Goat's rue. Bee World. 82, pp. 142-146.

Modelling bee-mediated gene flow from genetically modified plants

G - Articles in popular magazines and other technical publications

Williams, I. H. 2001. Modelling bee-mediated gene flow from genetically modified plants.

The effect of natural enemies on the spread of barley yellow dwarf virus (BYDV) by Rhopalosiphum padi (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Smyrnioudis, I. N., Harrington, R., Clark, S. J. and Katis, N. 2001. The effect of natural enemies on the spread of barley yellow dwarf virus (BYDV) by Rhopalosiphum padi (Hemiptera: Aphididae). Bulletin of Entomological Research. 91, pp. 301-306.

Population-scale laboratory studies of the effect of transgenic plants on nontarget insects

A - Papers appearing in refereed journals

Schuler, T. H., Denholm, I., Jouanin, L., Clark, S. J., Clark, A. J. and Poppy, G. M. 2001. Population-scale laboratory studies of the effect of transgenic plants on nontarget insects. Molecular Ecology. 10 (7), pp. 1845-1853.

Site constancy of bumble bees in an experimentally patchy habitat

A - Papers appearing in refereed journals

Osborne, J. L. and Williams, I. H. 2001. Site constancy of bumble bees in an experimentally patchy habitat. Agriculture, Ecosystems & Environment. 83, pp. 129-141.

A novel mechanism for time-sorting insect catches, and its use to derive the diel flight periodicity of brassica pod midge Dasineura brassicae (Diptera: Cecidomyiidae)

A - Papers appearing in refereed journals

Murchie, A. K., Burn, D. J., Kirk, W. D. J. and Williams, I. H. 2001. A novel mechanism for time-sorting insect catches, and its use to derive the diel flight periodicity of brassica pod midge Dasineura brassicae (Diptera: Cecidomyiidae). Bulletin of Entomological Research. 91, pp. 199-203.

Conidial discharge in the aphid pathogen Erynia neoaphidis

A - Papers appearing in refereed journals

Hemmati, F., Pell, J. K., McCartney, H. A., Clark, S. J. and Deadman, M. L. 2001. Conidial discharge in the aphid pathogen Erynia neoaphidis. Mycological Research. 105 (6), pp. 715-722.

The effect of temperature on variation in transmission of a BYDV PAV-like isolate by clones of Rhopalosiphum padi and Sitobion avenae

A - Papers appearing in refereed journals

Smyrnioudis, I. N., Harrington, R., Hall, M. J., Katis, N. and Clark, S. J. 2001. The effect of temperature on variation in transmission of a BYDV PAV-like isolate by clones of Rhopalosiphum padi and Sitobion avenae. European Journal of Plant Pathology. 107, pp. 167-173.

Direct and indirect sublethal effects of Galanthus nivalis agglutinin (GNA) on the development of a potato-aphid parasitoid, Aphelinus abdominalis (Hymenoptera: Aphelinidae)

A - Papers appearing in refereed journals

Couty, A., De La Vina, G., Clark, S. J., Kaiser, L., Pham-Delegue, M-H. and Poppy, G. M. 2001. Direct and indirect sublethal effects of Galanthus nivalis agglutinin (GNA) on the development of a potato-aphid parasitoid, Aphelinus abdominalis (Hymenoptera: Aphelinidae). Journal of Insect Physiology. 47 (6), pp. 553-561.

Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000

D1 - Technical reports: non-confidential

Firbank, L. G., Bater, J., Bennett, S., Brooks, D., Bohan, D. A., Champion, G. T., Clark, S. J., Daniels, R., Dewar, A. M., Glen, D. M., Haughton, A. J., Hawes, C., Heard, M., Hill, M., Maudsley, M. J., Marshall, E. J. P., May, M. J., Norton, L., Osborne, J. L., Pidgeon, J. D., Perry, J. N., Rossall, M., Rothery, P., Roy, D., Scott, R., Squire, G., Watkins, J., Whittaker, D. and Woiwod, I. P. 2000. Farm scale evaluations of GM crops: effects of the management of field scale releases of genetically-modified herbicide-tolerant crops on the abundance and diversity of farmland wildlife. Interim report 20 October 2000. Department for Environment, Food & Rural Affairs (DEFRA).

Harmonic radar: progress in the use of this new technique to study bee flight

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Osborne, J. L., Riley, J. R., Smith, A. D., Reynolds, D. R., Carreck, N. L. and Poppy, G. M. 2000. Harmonic radar: progress in the use of this new technique to study bee flight. Proceedings 6th International Conference on Apiculture in Tropical Climates, Costa Rica, 13-19 August 1996 . International Bee Research Association - IBRA. pp. 135-139

Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Murchie, A. K., Ferguson, A. W., Klukowski, Z., Perry, J. N. and Walczak, B. 2000. Within-field distributions of the seed weevil, Ceutorhynchus assimilis (Paykull) and its parasitoid, Trichomalus perfectus (Walker), on winter oilseed rape.

Integrated management of pest and beneficial insects on oilseeds (Final report for MAFF project AR0203)

D1 - Technical reports: non-confidential

Williams, I. H. 2000. Integrated management of pest and beneficial insects on oilseeds (Final report for MAFF project AR0203).

Spatial relationships between a predator and pest infestation in winter rape and releveance to integrated pest management strategies

C2 - Non-edited contributions to conferences

Warner, D. J., Allen-Williams, L. J., Williams, I. H. and Perry, J. N. 2000. Spatial relationships between a predator and pest infestation in winter rape and releveance to integrated pest management strategies. Abstract Book 1: 21st International Congress of Entomology, Foz do Iguassu, Brazil, 20-26 August 2000 . pp. 94

Spatio-temporal relationships between Psylliodes chrysocephala (cabbage stem flea beetle) larvae and predatory carabid beetles in a crop of winter oilseed rape

C2 - Non-edited contributions to conferences

Warner, D. J., Allen-Williams, L. J., Ferguson, A. W. and Williams, I. H. 2000. Spatio-temporal relationships between Psylliodes chrysocephala (cabbage stem flea beetle) larvae and predatory carabid beetles in a crop of winter oilseed rape. Abstracts Entomology 2000, Liverpool, 14-15 September 2000 .

Minimizing pesticide use and environmental impact by the development and promotion of bio-control strategies for oilseed rape pests. Final Report (FAIR-CT 96-1314)

D1 - Technical reports: non-confidential

Alford, D. V., Ballanger, Y., Buchi, R., Buchs, W., Ekbom, B., Hansen, L. M., Hokkanen, H. M. T., Kromp, B., Nilsson, L. C., Ulber, B., Walters, K. F. A., Williams, I. H. and Young, J. E. B. 2000. Minimizing pesticide use and environmental impact by the development and promotion of bio-control strategies for oilseed rape pests. Final Report (FAIR-CT 96-1314).

Prospects for improving crop production with honey bees

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 2000. Prospects for improving crop production with honey bees. Proceedings 2nd International Workshop on the Conservation and Utilisation of Commercial Insects, ICIPE, Nairobi . pp. 236-251

Pest-predator spatial relationships in winter rape: implications for integrated crop management

A - Papers appearing in refereed journals

Warner, D. J., Allen-Williams, L. J., Ferguson, A. W. and Williams, I. H. 2000. Pest-predator spatial relationships in winter rape: implications for integrated crop management. Pest Management Science. 56 (11), pp. 977-982.

The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape

C1 - Edited contributions to conferences/learned societies

Carreck, N. L., Butt, T. M., Ibrahim, L., Pell, J. K. and Williams, I. H. 2000. The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape.

The economic value of bees in the UK (Beekeeping in a Nutshell No. 51)

G - Articles in popular magazines and other technical publications

Carreck, N. L. and Williams, I. H. 2000. The economic value of bees in the UK (Beekeeping in a Nutshell No. 51).

The effect of drought stress and temperature on spread of barley yellow dwarf virus (BYDV)

A - Papers appearing in refereed journals

Smyrnioudis, I. N., Harrington, R., Katis, N. and Clark, S. J. 2000. The effect of drought stress and temperature on spread of barley yellow dwarf virus (BYDV). Agricultural and Forest Entomology. 2, pp. 161-166.

The spatio-temporal distribution of adult Ceutorhynchus assimilis in a crop of winter oilseed rape in relation to the distribution of their larvae and that of the parasitoid Trichomalus perfectus

A - Papers appearing in refereed journals

Ferguson, A. W., Klukowski, Z., Walczak, B., Perry, J. N., Mugglestone, M. A., Clark, S. J. and Williams, I. H. 2000. The spatio-temporal distribution of adult Ceutorhynchus assimilis in a crop of winter oilseed rape in relation to the distribution of their larvae and that of the parasitoid Trichomalus perfectus. Entomologia Experimentalis et Applicata. 95 (2), pp. 161-171.

Pollination and gene flow in white clover, growing in a patchy habitat

C2 - Non-edited contributions to conferences

Osborne, J. L., Williams, I. H., Marshall, A. T. and Michaelson-Yates, T. P. T. 2000. Pollination and gene flow in white clover, growing in a patchy habitat. Abstracts 8th International Pollination Symposium, Mosonmagyarovar, Hungary, 10-14 July 2000 . pp. 15

Pest-parasitoid spatial relationships in winter rape: implications for ICM

C2 - Non-edited contributions to conferences

Ferguson, A. W., Klukowski, Z., Walczak, B., Perry, J. N. and Williams, I. H. 2000. Pest-parasitoid spatial relationships in winter rape: implications for ICM. Abstracts Society of Industrial Chemistry Meeting on the Economic and Commercial Impact of Integrated Crop Management, London, 3-4 April 2000 .

Functional anatomy of sensory structures on the antennae of Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae)

A - Papers appearing in refereed journals

Bartlet, E., Romani, R., Williams, I. H. and Isidoro, N. 2000. Functional anatomy of sensory structures on the antennae of Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae). International Journal of Insect Morphology and Embryology. 28, pp. 291-300.

Generalized estimating equations for spatially referenced binary data

C2 - Non-edited contributions to conferences

Mugglestone, M. A., Kenward, J. G. and Clark, S. J. 2000. Generalized estimating equations for spatially referenced binary data. Proceedings Workshop on Correlated Data Modelling: the Estimating Function Approach, Trieste, Italy, 22-23 October 1999 .

Spatio-temporal associations in beetle and virus count data

A - Papers appearing in refereed journals

Korie, S., Perry, J. N., Mugglestone, M. A., Clark, S. J., Thomas, C. F. G. and Mohamad Roff, M. N. 2000. Spatio-temporal associations in beetle and virus count data. Journal of Agricultural Biological and Environmental Statistics. 5 (2), pp. 214-239.

Platygaster subuliformis (Kieffer) (Hym., Platygastridae) new to Britain, an egg-larval parasitoid of the brassica pod midge, Dasineura brassica Winnertz (Dipt., Cecidomyiidae)

A - Papers appearing in refereed journals

Murchie, A. K., Polaszek, A. and Williams, I. H. 1999. Platygaster subuliformis (Kieffer) (Hym., Platygastridae) new to Britain, an egg-larval parasitoid of the brassica pod midge, Dasineura brassica Winnertz (Dipt., Cecidomyiidae). Entomologist's monthly magazine. 135, pp. 217-222.

The ideal glucosinolate profile for pest resistance in oilseed rape

C1 - Edited contributions to conferences/learned societies

Bartlet, E., Williams, I. H. and Pickett, J. A. 1999. The ideal glucosinolate profile for pest resistance in oilseed rape.

Spatio-temporal dynamics of insect distributions in oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Murchie, A. K., Ferguson, A. W., Klukowski, Z., Perry, J. N., Walczak, B., Mugglestone, M. A. and Clark, S. J. 1999. Spatio-temporal dynamics of insect distributions in oilseed rape. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. (CD-ROM) .

A bee flight room designed for studies of bee foraging behaviour

A - Papers appearing in refereed journals

Poppy, G. M. and Williams, I. H. 1999. A bee flight room designed for studies of bee foraging behaviour. Journal of Apicultural Research. 38, pp. 177-189.

Over what distances do honey bees fly to GM and conventional oilseed rape?

C2 - Non-edited contributions to conferences

Osborne, J. L., Carreck, N. L., Herrmann, D. and Williams, I. H. 1999. Over what distances do honey bees fly to GM and conventional oilseed rape? Abstracts British Ecological Society Winter and Annual General Meeting, Leeds, 20-22 December 1999 . pp. 72

Edge distributions of Ceutorhynchus assimilis and its parasitoid Trichomalus perfectus in a crop of winter oilseed rape (Brassica napus)

A - Papers appearing in refereed journals

Murchie, A. K., Williams, I. H. and Perry, J. N. 1999. Edge distributions of Ceutorhynchus assimilis and its parasitoid Trichomalus perfectus in a crop of winter oilseed rape (Brassica napus). BioControl. 44 (4), pp. 379-390.

Pollen beetle, Meligethes aeneus Fabricius, incidence in the composite hybrid winter oilseed rape, Synergy

C1 - Edited contributions to conferences/learned societies

Cook, S. M., Murray, D. A. and Williams, I. H. 1999. Pollen beetle, Meligethes aeneus Fabricius, incidence in the composite hybrid winter oilseed rape, Synergy. Proceedings 10th International Rapeseed Congress: New Horizons for an Old Crop, Canberra, 26-29 September 1999. CD ROM and Abstract Book .

The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape

G - Articles in popular magazines and other technical publications

Carreck, N. L., Butt, T. M., Ibrahim, L., Pell, J. K. and Williams, I. H. 1999. The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape. Beekeepers News. 85, pp. 9-10.

A landscape-scale study of bumble bee foraging range and constancy, using harmonic radar

A - Papers appearing in refereed journals

Osborne, J. L., Clark, S. J., Morris, R. J., Williams, I. H., Riley, J. R., Smith, A. D., Reynolds, D. R. and Edwards, A. S. 1999. A landscape-scale study of bumble bee foraging range and constancy, using harmonic radar. Journal of Applied Ecology. 36 (4), pp. 519-533.

The germination of oil-formulated conidia of the insect pathogen Metarhizium anisopliae

A - Papers appearing in refereed journals

Ibrahim, L., Butt, T. M., Beckett, A. and Clark, S. J. 1999. The germination of oil-formulated conidia of the insect pathogen Metarhizium anisopliae. Mycological Research. 103 (7), pp. 901-907.

Perception of oviposition-deterring pheromone by cabbage seed weevil (Ceutorhynchus assimilis )

A - Papers appearing in refereed journals

Ferguson, A. W., Ziesmann, J., Blight, M. M., Williams, I. H., Wadhams, L. J., Clark, S. J., Woodcock, C. M. and Mudd, A. 1999. Perception of oviposition-deterring pheromone by cabbage seed weevil (Ceutorhynchus assimilis ). Journal of Chemical Ecology. 25, pp. 1655-1670.

Identification of the gland secreting oviposition-deterring pheromone in the cabbage seed weevil, Ceutorhynchus assimilis, and the mechanism of pheromone deposition

A - Papers appearing in refereed journals

Ferguson, A. W., Solinas, M., Ziesmann, J., Isidoro, N., Williams, I. H., Scubla, P., Mudd, A., Clark, S. J. and Wadhams, L. J. 1999. Identification of the gland secreting oviposition-deterring pheromone in the cabbage seed weevil, Ceutorhynchus assimilis, and the mechanism of pheromone deposition. Journal of Insect Physiology. 45 (7), pp. 687-699.

Compensation for wind drift by bumble-bees

A - Papers appearing in refereed journals

Riley, J. R., Reynolds, D. R., Smith, A. D., Edwards, A. S., Osborne, J. L., Williams, I. H. and McCartney, H. A. 1999. Compensation for wind drift by bumble-bees. Nature. 400 (6740), p. 126.

Spatial population dynamics of a pest and its parasitoid in an oilseed rape crop

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Williams, I. H., Klukowski, Z., Walczak, B. and Perry, J. N. 1999. Spatial population dynamics of a pest and its parasitoid in an oilseed rape crop. Challenges in Applied Population Biology. Aspects of Applied Biology 53 . pp. 143-148

The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape

C2 - Non-edited contributions to conferences

Carreck, N. L., Butt, T. M., Ibrahim, L., Pell, J. K. and Williams, I. H. 1999. The use of honey bees to disseminate an insect pathogenic fungus for control of insect pests on oilseed rape. Proceedings 36th International Apicultural Congress, Vancouver, 12-18 September 1999 . pp. 236-237

Enhancing farmland for insect pollinators using flower mixtures

C1 - Edited contributions to conferences/learned societies

Carreck, N. L., Williams, I. H. and Oakley, J. N. 1999. Enhancing farmland for insect pollinators using flower mixtures. Field Margins and Buffer Zones: Ecology, Management and Policy. Aspects of Applied Biology 54 . pp. 101-108

Honey bee mediated infection of pollen beetle (Meligethes aeneus Fab.) by the insect-pathogenic fungus, Metarhizium anisopliae

C2 - Non-edited contributions to conferences

Butt, T. M., Carreck, N. L., Ibrahim, L. and Williams, I. H. 1999. Honey bee mediated infection of pollen beetle (Meligethes aeneus Fab.) by the insect-pathogenic fungus, Metarhizium anisopliae. Abstracts Symposium on Biological Control Agents in Crop and Animal Protection, Swansea, 24-28 August 1999 .

Wound-induced increases in the glucosinolate content of oilseed rape and their effect on subsequent herbivory by a crucifer specialist

A - Papers appearing in refereed journals

Bartlet, E., Kiddle, G., Martin, A. P., Williams, I. H. and Wallsgrove, R. M. 1999. Wound-induced increases in the glucosinolate content of oilseed rape and their effect on subsequent herbivory by a crucifer specialist. Entomologia Experimentalis et Applicata. 91 (1), pp. 163-167.

New techniques for studying the spatial and temporal dynamics of the foraging flights of bumble bees in relation to plant gene flow within agricultural habitats

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1999. New techniques for studying the spatial and temporal dynamics of the foraging flights of bumble bees in relation to plant gene flow within agricultural habitats. Proceedings 24th Nordic Congress of Entomology, 1999 . pp. 193-199

Sex attractant for the male antler moth Cerapteryx graminis (L.)

C1 - Edited contributions to conferences/learned societies

Mottus, E., Liblikas, I. and Williams, I. H. 1999. Sex attractant for the male antler moth Cerapteryx graminis (L.). Proceedings 24th Nordic Congress of Entomology, Tartu, Estonia, 8-11 August 1997 . pp. 117-123

How busy are bees - modelling the pollination of clover

G - Articles in popular magazines and other technical publications

Marshall, A., Michaelson-Yeates, T. P. T. and Williams, I. H. 1999. How busy are bees - modelling the pollination of clover. Iger Innovations. No. 3, pp. 18-21.

Predatory behaviour of trapping fungi against srf mutants of Caenorhabditis elegans and different plant and animal parasitic nematodes

A - Papers appearing in refereed journals

Mendoza De Gives, P., Davies, K. G., Clark, S. J. and Behnke, J. M. 1999. Predatory behaviour of trapping fungi against srf mutants of Caenorhabditis elegans and different plant and animal parasitic nematodes. Parasitology. 119, pp. 95-104.

The economic value of bees in the UK

G - Articles in popular magazines and other technical publications

Carreck, N. L. and Williams, I. H. 1999. The economic value of bees in the UK. Bee Farmers' Association Bulletin. 317, pp. 21-28.

The effects of habitat fragmentation on pollination and gene flow in white clover

C2 - Non-edited contributions to conferences

Osborne, J. L., Williams, I. H., Marshall, A. H. and Michaelson-Yeates, T. P. T. 1999. The effects of habitat fragmentation on pollination and gene flow in white clover. Abstracts British Ecological Society Winter and Annual General Meeting, Leicester, 5-8 January 1999 .

Use of lichen secondary metabolites as antifeedants to protect higher plants from damage caused by slug feeding

A - Papers appearing in refereed journals

Clark, S. J., Henderson, I. F., Hill, D. J. and Martin, A. P. 1999. Use of lichen secondary metabolites as antifeedants to protect higher plants from damage caused by slug feeding. Annals of Applied Biology - AAB. 134 (1), pp. 101-108.

Rejoinder [Analyzing maps of dispersal around a single focus]

A - Papers appearing in refereed journals

Korie, S., Clark, S. J., Perry, J. N., Mugglestone, M. A., Bartlett, P. W., Marshall, E. J. P. and Mann, J. A. 1998. Rejoinder [Analyzing maps of dispersal around a single focus]. Environmental And Ecological Statistics. 5 (4), pp. 349-351.

Analyzing maps of dispersal around a single focus

A - Papers appearing in refereed journals

Korie, S., Clark, S. J., Perry, J. N., Mugglestone, M. A., Bartlett, P. W., Marshall, E. J. P. and Mann, J. A. 1998. Analyzing maps of dispersal around a single focus. Environmental And Ecological Statistics. 5 (4), pp. 317-344.

Bee-mediated control of pollen beetles by Metarhizium anisopilae

C2 - Non-edited contributions to conferences

Carreck, N. L., Butt, T. M., Ibrahim, L. and Williams, I. H. 1998. Bee-mediated control of pollen beetles by Metarhizium anisopilae. Abstracts International Symposium on the Future of Fungi in the Control of Pests, Weeds and Diseases, Southampton, 5-9 April 1998 . pp. 106

Unseasonal male aphids

C1 - Edited contributions to conferences/learned societies

Taylor, M. S., Harrington, R. and Clark, S. J. 1998. Unseasonal male aphids. Dixon, A. F. G. and Nietonafria, J. M. (ed.) Aphids in natural and managed ecosystems . Universidad de Leon, Leon. pp. 287-293

Honey-bee-mediated infection of pollen beetle (Meligethes aeneus Fab.) by the insect-pathogenic fungus, Metarhizium anisopliae

A - Papers appearing in refereed journals

Butt, T. M., Carreck, N. L., Ibrahim, L. and Williams, I. H. 1998. Honey-bee-mediated infection of pollen beetle (Meligethes aeneus Fab.) by the insect-pathogenic fungus, Metarhizium anisopliae. Biocontrol Science and Technology. 8, pp. 533-538.

A bibliography of the parasitoids of the cabbage seed weevil (Ceutorhynchus assimilis PAYK.)

C1 - Edited contributions to conferences/learned societies

Murchie, A. K. and Williams, I. H. 1998. A bibliography of the parasitoids of the cabbage seed weevil (Ceutorhynchus assimilis PAYK.).

The effect of trap design and 2-phenylethyl isothiocyanate on catches of stem weevils (Ceutorhynchus pallidactylus Marsh. and C. napi Gyll.) in winter oilseed rape

C1 - Edited contributions to conferences/learned societies

Walczak, B., Kelm, M., Klukowski, Z., Smart, L. E., Ferguson, A. W. and Williams, I. H. 1998. The effect of trap design and 2-phenylethyl isothiocyanate on catches of stem weevils (Ceutorhynchus pallidactylus Marsh. and C. napi Gyll.) in winter oilseed rape.

Effect of host size on the sex of Trichomalus perfectus (Walker) (Hymenoptera: Pteromalidae)

C1 - Edited contributions to conferences/learned societies

Murchie, A. K. and Williams, I. H. 1998. Effect of host size on the sex of Trichomalus perfectus (Walker) (Hymenoptera: Pteromalidae).

Implications of predator foraging on aphid pathogen dynamics

A - Papers appearing in refereed journals

Roy, H. E., Pell, J. K., Clark, S. J. and Alderson, P. G. 1998. Implications of predator foraging on aphid pathogen dynamics. Journal of Invertebrate Pathology. 71, pp. 236-247.

The effect of plant growth and topography on the acquisition of conidia of the insect pathogen Metarhizium anisopliae by larvae of Phaedon cochleariae

A - Papers appearing in refereed journals

Inyang, E. N., Butt, T. M., Ibrahim, L., Clark, S. J., Pye, B. T., Beckett, A. and Archer, S. 1998. The effect of plant growth and topography on the acquisition of conidia of the insect pathogen Metarhizium anisopliae by larvae of Phaedon cochleariae. Mycological Research. 102 (11), pp. 1365-1374.

Use of a novel sporulation monitor to quantify the effects of formulation and storage on conidiation by dried mycelia of the entomopathogenic fungus Zoophthora radicans

A - Papers appearing in refereed journals

Pell, J. K., Barker, A. D. P., Clark, S. J., Wilding, N. and Alderson, P. G. 1998. Use of a novel sporulation monitor to quantify the effects of formulation and storage on conidiation by dried mycelia of the entomopathogenic fungus Zoophthora radicans. Biocontrol Science and Technology. 8, pp. 13-21.

Insect-plant interactions: pollinators and pests

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1998. Insect-plant interactions: pollinators and pests. Bournoville, R. (ed.) Interactions Insectes-plantes: Actes 6e Journees du Groupe de Travail Relations Insectes-plantes, Lusignan, 4-5 Juin 1997 . pp. 9-12

Antennal contact chemosensilla in Psylliodes chrysocephala responding to cruciferous allelochemicals

A - Papers appearing in refereed journals

Isidoro, N., Bartlet, E., Ziesmann, J. and Williams, I. H. 1998. Antennal contact chemosensilla in Psylliodes chrysocephala responding to cruciferous allelochemicals. Physiological Entomology. 23 (2), pp. 131-138.

Growth stimulation of beetle larvae reared on a transgenic oilseed rape expressing a cysteine proteinase inhibitor

A - Papers appearing in refereed journals

Girard, C., Le Metayer, M., Zaccomer, B., Bartlet, E., Williams, I. H., Bonade-Bottino, M., Pham-Delegue, M-H. and Jouanin, L. 1998. Growth stimulation of beetle larvae reared on a transgenic oilseed rape expressing a cysteine proteinase inhibitor. Journal of Insect Physiology. 44, pp. 263-270.

The economic value of bees in the UK

A - Papers appearing in refereed journals

Carreck, N. L. and Williams, I. H. 1998. The economic value of bees in the UK. Bee World. 79, pp. 115-123.

Genetic variability within and between English populations of the damson-hop aphid Phorodon humili (Hemiptera: Aphididae) with special reference to esterases associated with insecticide resistance

A - Papers appearing in refereed journals

Loxdale, H. D., Brookes, C. P., Wynne, I. R. and Clark, S. J. 1998. Genetic variability within and between English populations of the damson-hop aphid Phorodon humili (Hemiptera: Aphididae) with special reference to esterases associated with insecticide resistance. Bulletin of Entomological Research. 88 (5), pp. 513-526.

The flightless aphid

G - Articles in popular magazines and other technical publications

Williams, I. H. and Dewar, A. M. 1998. The flightless aphid. British Sugar Beet Review. 66(2), pp. 35-37.

White clover: honey bees v. bumble bees as pollinators

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1997. White clover: honey bees v. bumble bees as pollinators. Proceedings 35th International Apicultural Congress, Antwerp, 1-6 September 1997 . pp. 335-339

Temperature change and complex dynamics

A - Papers appearing in refereed journals

Zhou, X-L, Perry, J. N., Woiwod, I. P., Harrington, R., Bale, J. S. and Clark, S. J. 1997. Temperature change and complex dynamics. Oecologia. 112 (4), pp. 543-550.

Influence of pesticide use on the natural occurrence of entomopathogenic fungi in arable soils in the U.K.: field and laboratory comparisons

A - Papers appearing in refereed journals

Mietkiewski, R. T., Pell, J. K. and Clark, S. J. 1997. Influence of pesticide use on the natural occurrence of entomopathogenic fungi in arable soils in the U.K.: field and laboratory comparisons. Biocontrol Science and Technology. 7, pp. 565-575.

The responses of the cabbage seed weevil Ceutorhynchus assimilis to volatile compounds from oilseed rape in a linear track olfactometer

A - Papers appearing in refereed journals

Bartlet, E., Blight, M. M., Lane, P. W. and Williams, I. H. 1997. The responses of the cabbage seed weevil Ceutorhynchus assimilis to volatile compounds from oilseed rape in a linear track olfactometer. Entomologia Experimentalis et Applicata. 85 (3), pp. 257-262.

The movement of honey bee colonies for crop pollination and honey production by beekeepers in Great Britain

A - Papers appearing in refereed journals

Carreck, N. L., Williams, I. H. and Little, D. J. 1997. The movement of honey bee colonies for crop pollination and honey production by beekeepers in Great Britain. Bee World. 78, pp. 67-77.

Evidence for a possible fitness trade-off between insecticide resistance and the low temperature movement that is essential for survival of UK populations of Myzus persicae (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Foster, S. P., Harrington, R., Devonshire, A. L., Denholm, I., Clark, S. J. and Mugglestone, M. A. 1997. Evidence for a possible fitness trade-off between insecticide resistance and the low temperature movement that is essential for survival of UK populations of Myzus persicae (Hemiptera: Aphididae). Bulletin of Entomological Research. 87, pp. 573-579.

Insect injury to linseed in south-east England

A - Papers appearing in refereed journals

Ferguson, A. W., Fitt, B. D. L. and Williams, I. H. 1997. Insect injury to linseed in south-east England. Crop Protection. 16 (7), pp. 643-652.

Optimization of pheromone dispensers for diamondback moth Plutella xylostella

A - Papers appearing in refereed journals

Mottus, E., Nomm, V., Williams, I. H. and Liblikas, I. 1997. Optimization of pheromone dispensers for diamondback moth Plutella xylostella. Journal of Chemical Ecology. 23, pp. 2145-2159.

Responses of Dasineura brassicae and its parasitoids Platygaster subuliformis and Omphale clypealis to field traps baited with organic isothiocyanates

A - Papers appearing in refereed journals

Murchie, A. K., Smart, L. E. and Williams, I. H. 1997. Responses of Dasineura brassicae and its parasitoids Platygaster subuliformis and Omphale clypealis to field traps baited with organic isothiocyanates. Journal of Chemical Ecology. 23, pp. 917-926.

The use of isoenzyme markers to determine pollen flow and seed paternity mediated by Apis mellifera and Bombus spp. in Trifolium repens , a self-incompatible plant species

A - Papers appearing in refereed journals

Michaelson-Yeates, T. P. T., Marshall, A. H., Williams, I. H., Carreck, N. L. and Simpkins, J. R. 1997. The use of isoenzyme markers to determine pollen flow and seed paternity mediated by Apis mellifera and Bombus spp. in Trifolium repens , a self-incompatible plant species. Journal of Apicultural Research. 36, pp. 57-62.

Extraction, isolation and composition of oviposition-deterring secretion of cabbage seed weevil Ceutorhynchus assimilis

A - Papers appearing in refereed journals

Mudd, A., Ferguson, A. W., Blight, M. M., Williams, I. H., Scubla, P., Solinas, M. and Clark, S. J. 1997. Extraction, isolation and composition of oviposition-deterring secretion of cabbage seed weevil Ceutorhynchus assimilis. Journal of Chemical Ecology. 23, pp. 2227-2240.

A bioassay for screening materials influencing feeding in the field slug Deroceras reticulatum (Müller) (Mollusca: Pulmonata)

A - Papers appearing in refereed journals

Clark, S. J., Dodds, C. J., Henderson, I. F. and Martin, A. P. 1997. A bioassay for screening materials influencing feeding in the field slug Deroceras reticulatum (Müller) (Mollusca: Pulmonata). Annals of Applied Biology - AAB. 130 (2), pp. 379-385.

Siring efficiency in white clover (Trifolium repens )

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Marshall, A. H. and Michaelson-Yeates, T. P. T. 1997. Siring efficiency in white clover (Trifolium repens ). International Society of Horticultural Science (ISHS).

Effects of commercial insecticide treatments to winter oilseed rape on parasitism of Ceutorhynchus assimilis Paykull (Coleoptera: Curculionidae) by Trichomalus perfectus (Walker) (Hymenoptera: Pteromalidae)

A - Papers appearing in refereed journals

Murchie, A. K., Williams, I. H. and Alford, D. V. 1997. Effects of commercial insecticide treatments to winter oilseed rape on parasitism of Ceutorhynchus assimilis Paykull (Coleoptera: Curculionidae) by Trichomalus perfectus (Walker) (Hymenoptera: Pteromalidae). Crop Protection. 16, pp. 199-202.

Observations on two commercial flower mixtures as food sources for beneficial insects in the UK

A - Papers appearing in refereed journals

Carreck, N. L. and Williams, I. H. 1997. Observations on two commercial flower mixtures as food sources for beneficial insects in the UK. The Journal of Agricultural Science. 128, pp. 397-403.

Detecting chaotic dynamics of insect populations from long-term survey data

A - Papers appearing in refereed journals

Zhou, X-L, Perry, J. N., Woiwod, I. P., Harrington, R., Bale, J. S. and Clark, S. J. 1997. Detecting chaotic dynamics of insect populations from long-term survey data. Ecological Entomology. 22 (2), pp. 231-241.

Interactions between two aphid natural enemies, the entomopathogenic fungus Erynia neoaphidis Remaudiere & Hennebert (Zygomycetes: Entomophthorales) and the predatory beetle Coccinella septempunctata L. (Coleoptera: Coccinellidae)

A - Papers appearing in refereed journals

Pell, J. K., Pluke, R., Clark, S. J., Kenward, M. G. and Alderson, P. G. 1997. Interactions between two aphid natural enemies, the entomopathogenic fungus Erynia neoaphidis Remaudiere & Hennebert (Zygomycetes: Entomophthorales) and the predatory beetle Coccinella septempunctata L. (Coleoptera: Coccinellidae). Journal of Invertebrate Pathology. 69, pp. 261-268.

Nectar and flower production in Vicia faba L. (field bean) at ambient and elevated carbon dioxide

A - Papers appearing in refereed journals

Osborne, J. L., Awmack, C. S., Clark, S. J., Williams, I. H. and Mills, V. C. 1997. Nectar and flower production in Vicia faba L. (field bean) at ambient and elevated carbon dioxide. Apidologie. 28, pp. 43-55.

Harmonic radar: a new technique for investigating bumblebee and honey bee foraging flight

C1 - Edited contributions to conferences/learned societies

Osborne, J. L., Williams, I. H., Carreck, N. L., Poppy, G. M., Riley, J. R., Smith, A. D., Reynolds, D. R. and Edwards, A. S. 1997. Harmonic radar: a new technique for investigating bumblebee and honey bee foraging flight. International Society of Horticultural Science (ISHS).

Performance of Cydia pomonella , Argyresthia conjugella , Plutella xylostella and Archips podana attractant dispensers in Estonia

C1 - Edited contributions to conferences/learned societies

Mottus, E., Liblikas, I., Williams, I. H., Kuusik, S., Laanmaa, M., Nilson, A. and Nomm, V. 1996. Performance of Cydia pomonella , Argyresthia conjugella , Plutella xylostella and Archips podana attractant dispensers in Estonia.

The use of harmonic radar to track insects flying at low altitude

C2 - Non-edited contributions to conferences

Riley, J. R., Smith, A. D., Reynolds, D. R., Edwards, A., Osborne, J. L., Williams, I. H., Carreck, N. L. and Poppy, G. M. 1996. The use of harmonic radar to track insects flying at low altitude. In Abstracts 5th European Conference on Wildlife Telemetry, Strasbourg, August 1996 .

The conservation of bees (Linnean Society Symposium series 18)

E - Books edited/written by staff member, alone/with others

Matheson, A., Buchmann, S. L., O'toole, C., Westrich, P. and Williams, I. H. 1996. The conservation of bees (Linnean Society Symposium series 18). Academic Press, London.

The impact of climate change on aphid population dynamics and phenology

C2 - Non-edited contributions to conferences

Harrington, R., Perry, J. N., Woiwod, I. P., Zhou, X-L, Clark, S. J., Bale, J. S., Howling, G. G., Lisle, L. and Mair, J. 1996. The impact of climate change on aphid population dynamics and phenology. Proceedings BBSRC Conference on Biological Adaptation to Global Environmental Change, Lancaster, 9-11 September 1996 .

Putuktolmendajad kui tahtsaim loodusresurss bioloogilise mitme keisuse ja loodussaastliku pollukajanduse tagamisel

C2 - Non-edited contributions to conferences

Williams, I. H., Martin, A. J. and Mand, M. 1996. Putuktolmendajad kui tahtsaim loodusresurss bioloogilise mitme keisuse ja loodussaastliku pollukajanduse tagamisel. Abstracts Congress of Estonian Scientists, Tallinn, 11-15 August 1996 . pp. 395

Harmonic radar: a new technique for investigating bumble bee and honey bee foraging flight

C2 - Non-edited contributions to conferences

Osborne, J. L., Williams, I. H., Carreck, N. L., Poppy, G. M., Riley, J., Smith, A. D., Reynolds, D. R. and Edwards, A. 1996. Harmonic radar: a new technique for investigating bumble bee and honey bee foraging flight. Abstracts 7th International Pollination Symposium, Lethbridge, Canada, 23-28 June 1996 .

Nectar and flower production in Vicia faba L. (field bean) at elevated carbon dioxide

C2 - Non-edited contributions to conferences

Osborne, J. L., Awmack, C. S., Clark, S. J., Williams, I. H. and Mills, V. C. 1996. Nectar and flower production in Vicia faba L. (field bean) at elevated carbon dioxide. Abstracts 7th International Pollination Symposium, Lethbridge, Canada, 23-28 June 1996 .

Okokemikaalid kasutamiseks eesti taimekaitses

C2 - Non-edited contributions to conferences

Mottus, E., Liblikas, I., Williams, I. H., Nilson, A. and Laanmaa, M. 1996. Okokemikaalid kasutamiseks eesti taimekaitses. Abstracts Congress of Estonian Scientists, Tallinn, 11-15 August 1996 . pp. 370

Ecochemicals as attraction for diamondback moth (Plutella xylostella ) and cabbage root fly (Delia floralis )

C1 - Edited contributions to conferences/learned societies

Mottus, E., Liblikas, I., Nomm, V., Siitan, V., Williams, I. H. and Nilson, A. 1996. Ecochemicals as attraction for diamondback moth (Plutella xylostella ) and cabbage root fly (Delia floralis ).

A commercially viable, low-cost strategy for the management of seed weevil populations on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Alford, D. V., Walters, K. F. A., Williams, I. H. and Murchie, A. K. 1996. A commercially viable, low-cost strategy for the management of seed weevil populations on winter oilseed rape in the UK. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1996 . pp. 609-614

Aspects of bee diversity and crop pollination in the European Union

B - Book chapters etc edited externally

Williams, I. H. 1996. Aspects of bee diversity and crop pollination in the European Union. in: Matheson, A. (ed.) The conservation of bees (Linnean Society Symposium Series 18) Academic Press, London. pp. 63-80

Bumble bees as pollinators of crops and wild flowers

B - Book chapters etc edited externally

Osborne, J. L. and Williams, I. H. 1996. Bumble bees as pollinators of crops and wild flowers. in: Matheson, A. (ed.) Bumble bees for pleasure and profit International Bee Research Association, (IBRA), Cardiff. pp. 24-32

Estimating Taylor's power law parameters for weeds and the effect of spatial scale

A - Papers appearing in refereed journals

Clark, S. J., Perry, J. N. and Marshall, E. J. P. 1996. Estimating Taylor's power law parameters for weeds and the effect of spatial scale. Weed Research. 36 (5), pp. 405-417.

The effect of temperature and inoculation access period on the transmission of barley yellow dwarf virus by Rhopalosiphum padi (L.) and Sitobion avenae (F.)

A - Papers appearing in refereed journals

Lowles, A. J., Tatchell, G. M., Harrington, R. and Clark, S. J. 1996. The effect of temperature and inoculation access period on the transmission of barley yellow dwarf virus by Rhopalosiphum padi (L.) and Sitobion avenae (F.). Annals of Applied Biology - AAB. 128 (1), pp. 45-53.

Feeding of the cabbage stem flea beetle Psylliodes chrysocephala on high and low glucosinolate cultivars of oilseed rape

A - Papers appearing in refereed journals

Bartlet, E., Mithen, R. and Clark, S. J. 1996. Feeding of the cabbage stem flea beetle Psylliodes chrysocephala on high and low glucosinolate cultivars of oilseed rape. Entomologia Experimentalis et Applicata. 80 (1), pp. 87-89.

Tracking bees with harmonic radar

A - Papers appearing in refereed journals

Riley, J. R., Smith, A. D., Reynolds, D. R., Edwards, A. S., Osborne, J. L., Williams, I. H., Carreck, N. L. and Poppy, G. M. 1996. Tracking bees with harmonic radar. Nature. 379 (6560), pp. 29-30.

Impact of climate change on aphid flight phenology

C1 - Edited contributions to conferences/learned societies

Zhou, X-L, Harrington, R., Woiwod, I. P., Perry, J. N., Clark, S. J. and Bale, J. S. 1996. Impact of climate change on aphid flight phenology. Implications of "Global Environmental Change" for Crops in Europe. Aspects of Applied Biology 45 . pp. 299-305

Effect of pirimicarb on the foraging behaviour of Diaeretiella rapae (Hymenoptera: Braconidae) on host-free and infested oilseed rape plants

A - Papers appearing in refereed journals

Umoru, P. A., Powell, W. and Clark, S. J. 1996. Effect of pirimicarb on the foraging behaviour of Diaeretiella rapae (Hymenoptera: Braconidae) on host-free and infested oilseed rape plants. Bulletin of Entomological Research. 86, pp. 193-201.

The use of isoenzymes to quantify the efficiency of insect pollinators in mediating pollen flow in white clover (Trifolium repens L.) seed crops and consequences for seed yield

C1 - Edited contributions to conferences/learned societies

Marshall, A. H., Michaelson-Yeates, T. P. T. and Williams, I. H. 1995. The use of isoenzymes to quantify the efficiency of insect pollinators in mediating pollen flow in white clover (Trifolium repens L.) seed crops and consequences for seed yield. Yield and Quality in Herbage Seed Production. Proceedings 3rd International Herbage Seed Conference, Halle, 18-23 June, 1995 . pp. 59-63

The status and potential of parasitoids of seed weevil and pod midge on winter oilseed rape. Home-Grown Cereals Authority Oilseeds Project Report OS14

D1 - Technical reports: non-confidential

Alford, D. V., Williams, I. H., Murchie, A. K. and Walters, K. F. A. 1995. The status and potential of parasitoids of seed weevil and pod midge on winter oilseed rape. Home-Grown Cereals Authority Oilseeds Project Report OS14. H-GCA, London.

Changes in growth and yield parameters of winter rape as a result of injury by the stem weevil (Ceutorhynchus quadridens )

C1 - Edited contributions to conferences/learned societies

Kelm, M., Walczak, M. and Williams, I. H. 1995. Changes in growth and yield parameters of winter rape as a result of injury by the stem weevil (Ceutorhynchus quadridens ). Rapeseed Today and Tomorrow. Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 . pp. 673-675

Responses of brassica pod midge (Dasineura brassicae ) and its parasitoids (Platygaster sp.) to isothiocyanates

C1 - Edited contributions to conferences/learned societies

Murchie, A. K., Williams, I. H. and Smart, L. E. 1995. Responses of brassica pod midge (Dasineura brassicae ) and its parasitoids (Platygaster sp.) to isothiocyanates. Rapeseed Today and Tomorrow. Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 . pp. 1028-1030

Field experiments to assess the status and importance of Trichomalus perfectus , a parasitoid of seed weevil on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Alford, D. V., Emmett, B. J., Green, M. R., Murchie, A. K., Williams, I. H., Raw, K. A. and Walters, K. F. A. 1995. Field experiments to assess the status and importance of Trichomalus perfectus , a parasitoid of seed weevil on winter oilseed rape in the UK. Rapeseed Today and Tomorrow. Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 . pp. 1301-1303

A history of beekeeping in Estonia

A - Papers appearing in refereed journals

Williams, I. H., Padjus, P., Parn, E., Rootslane, M. and Susi, J. 1995. A history of beekeeping in Estonia. Bee World. 76, pp. 18-30.

Observations on the impact of standard insecticide treatments of Trichomalus perfectus , a parasitoid of seed weevil on winter oilseed rape in the UK

C1 - Edited contributions to conferences/learned societies

Alford, D. V., Murchie, A. and Williams, I. H. 1995. Observations on the impact of standard insecticide treatments of Trichomalus perfectus , a parasitoid of seed weevil on winter oilseed rape in the UK.

Interactions between the cabbage seed weevil (Ceutorhynchus assimilis Payk.) and the brassica pod midge (Dasineura brassicae Winn.) infesting oilseed rape pods

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W., Kenward, M. G., Williams, I. H., Clark, S. J., Kelm, M. and Dudzic, A. 1995. Interactions between the cabbage seed weevil (Ceutorhynchus assimilis Payk.) and the brassica pod midge (Dasineura brassicae Winn.) infesting oilseed rape pods. Rapeseed Today and Tomorrow. Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 . pp. 679-681

The role of parasitoids

G - Articles in popular magazines and other technical publications

Williams, I. H. and Murchie, A. 1995. The role of parasitoids. Agronomist. Spring 1995, pp. 13-15.

Influence of temperature on germination of primary and secondary conidia of Erynia neoaphidis (Zygomycetes: Entomophthorales)

A - Papers appearing in refereed journals

Morgan, L. W., Boddy, L., Clark, S. J. and Wilding, N. 1995. Influence of temperature on germination of primary and secondary conidia of Erynia neoaphidis (Zygomycetes: Entomophthorales). Journal of Invertebrate Pathology. 65, pp. 132-138.

Effects of temperature on aphid phenology

A - Papers appearing in refereed journals

Zhou, X-L, Harrington, R., Woiwod, I. P., Perry, J. N., Bale, J. S. and Clark, S. J. 1995. Effects of temperature on aphid phenology. Global Change Biology. 1 (4), pp. 303-313.

Minimising pesticide input in oilseed rape by exploiting natural regulatory processes

C1 - Edited contributions to conferences/learned societies

Pickett, J. A., Butt, T. M., Doughty, K. J., Wallsgrove, R. M. and Williams, I. H. 1995. Minimising pesticide input in oilseed rape by exploiting natural regulatory processes. Rapeseed Today and Tomorrow: Proceedings 9th International Rapeseed Congress, Cambridge, 4-7 July 1995 .

Movement of apterous Sitobion avenae (Homoptera:Aphididae) in response to leaf disturbances caused by wind and rain

A - Papers appearing in refereed journals

Mann, J. A., Tatchell, G. M., Dupuch, M. J., Harrington, R., Clark, S. J. and McCartney, H. A. 1995. Movement of apterous Sitobion avenae (Homoptera:Aphididae) in response to leaf disturbances caused by wind and rain. Annals of Applied Biology - AAB. 126 (3), pp. 417-427.

Metal chelate molluscicides: the redistribution of iron diazaalkanolates from the gut lumen of the slug, Deroceras reticulatum (Muller) (Pulmonata: Limacidae)

A - Papers appearing in refereed journals

Clark, S. J., Coward, N. P., Dawson, G. W., Henderson, I. F. and Martin, A. P. 1995. Metal chelate molluscicides: the redistribution of iron diazaalkanolates from the gut lumen of the slug, Deroceras reticulatum (Muller) (Pulmonata: Limacidae). Pesticide Science. 44 (4), pp. 381-388.

The germination behaviour of Metarhizium anisopliae on the surface of aphid and flea beetle cuticles

A - Papers appearing in refereed journals

Butt, T. M., Ibrahim, L., Clark, S. J. and Beckett, A. 1995. The germination behaviour of Metarhizium anisopliae on the surface of aphid and flea beetle cuticles. Mycological Research. 99 (8), pp. 945-950.

An investigation of intra-crop and inter-crop contamination of white-flowered field beans

G - Articles in popular magazines and other technical publications

Williams, I. H. 1994. An investigation of intra-crop and inter-crop contamination of white-flowered field beans. Pea and Bean Progress. Summer, 1994, p. 9.

Small sample estimation for Taylor's power law

A - Papers appearing in refereed journals

Clark, S. J. and Perry, J. N. 1994. Small sample estimation for Taylor's power law. Journal of Environmental and Ecological Statistics. 1 (4), pp. 287-302.

Antennal glands of Psylliodes chrysocephala and their possible role in reproductive behaviour

A - Papers appearing in refereed journals

Bartlet, E., Isidoro, N. and Williams, I. H. 1994. Antennal glands of Psylliodes chrysocephala and their possible role in reproductive behaviour. Physiological Entomology. 19 (4), pp. 241-250.

The dependence of crop production within the European Union on pollination by honey bees

A - Papers appearing in refereed journals

Williams, I. H. 1994. The dependence of crop production within the European Union on pollination by honey bees. Agricultural Science Reviews. 6, pp. 229-257.

Land use changes and honey bee forage plants

B - Book chapters etc edited externally

Williams, I. H. and Carreck, N. 1994. Land use changes and honey bee forage plants. in: Matheson, A. (ed.) Forage for bees in an agricultural landscape International Bee Research Association, (IBRA), Cardiff. pp. 7-20

Interaction between cabbage seed weevil (Ceutorhynchus assimilis payk.) and brassica pod midge (Dasineura brassicae Winn.) in oilseed rape pods (in Polish)

C1 - Edited contributions to conferences/learned societies

Kelm, M., Ferguson, A. W., Williams, I. H., Kenward, M. G. and Clark, S. J. 1994. Interaction between cabbage seed weevil (Ceutorhynchus assimilis payk.) and brassica pod midge (Dasineura brassicae Winn.) in oilseed rape pods (in Polish). Materialy XXXIV Sesji Naukowej Instytutu Ochrony Roslin, Poznan, 1994 . pp. 258-262

Pathogenicity of the entomogenous fungi Metarhizium anisopliae and Beauveria bassiana against crucifer pests and the honey bee

A - Papers appearing in refereed journals

Butt, T. M., Ibrahim, L., Ball, B. V. and Clark, S. J. 1994. Pathogenicity of the entomogenous fungi Metarhizium anisopliae and Beauveria bassiana against crucifer pests and the honey bee. Biocontrol Science and Technology. 4, pp. 207-214.

The influence of glucosinolates and sugars on feeding by the cabbage stem flea beetle, Psylliodes chrysocephala

A - Papers appearing in refereed journals

Bartlet, E., Parsons, D., Williams, I. H. and Clark, S. J. 1994. The influence of glucosinolates and sugars on feeding by the cabbage stem flea beetle, Psylliodes chrysocephala. Entomologia Experimentalis et Applicata. 73 (1), pp. 77-83.

The transmission of barley yellow dwarf virus at different temperatures

C2 - Non-edited contributions to conferences

Lowles, A. J., Clark, S. J. and Harrington, R. 1994. The transmission of barley yellow dwarf virus at different temperatures. Abstracts 5th European Congress of Entomology, York, 29th August-2nd September 1994 . pp. 286

Morph identification in natural populations of alate female bird cherry aphids, Rhopalosiphum padi L., by multivariate methods

A - Papers appearing in refereed journals

Taylor, M. S., Tatchell, G. M. and Clark, S. J. 1994. Morph identification in natural populations of alate female bird cherry aphids, Rhopalosiphum padi L., by multivariate methods. Annals of Applied Biology - AAB. 125 (1), pp. 1-11.

Factors affecting growth and yield of winter oilseed rape (Brassica napus ), 1985-1989

A - Papers appearing in refereed journals

Leach, J. E., Darby, R. J., Williams, I. H., Fitt, B. D. L. and Rawlinson, C. J. 1994. Factors affecting growth and yield of winter oilseed rape (Brassica napus ), 1985-1989. The Journal of Agricultural Science. 122, pp. 405-413.

Seven decades of bee research at Rothamsted. A lecture given to the Central Association of Bee-keepers, 14th May 1993

G - Articles in popular magazines and other technical publications

Williams, I. H. 1994. Seven decades of bee research at Rothamsted. A lecture given to the Central Association of Bee-keepers, 14th May 1993.

Conclusions and recommendations of the European Community Workshop on Bees for Pollination held in Brussels, 1-2 March 1992

D1 - Technical reports: non-confidential

Williams, I. H. 1993. Conclusions and recommendations of the European Community Workshop on Bees for Pollination held in Brussels, 1-2 March 1992. Commission of the European Communities (CEC), Luxembourg.

The interdependence of agriculture and apiculture in the European Community

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1993. The interdependence of agriculture and apiculture in the European Community. Bruneau, E. (ed.) Bees for Pollination. Proceedings Workshop in the Community Programme of Research and Techological Development in the Field of Competitiveness of Agriculture and Management of Agricultural Resources (1989-1993), Brussels, March 1992 . Commission of the European Communities (CEC), Luxembourg. pp. 7-18

Nectar sources for honey bees and the movement of honey bee colonies for crop pollination and honey production in England

A - Papers appearing in refereed journals

Williams, I. H., Carreck, N. and Little, D. 1993. Nectar sources for honey bees and the movement of honey bee colonies for crop pollination and honey production in England. Bee World. 74, pp. 160-175.

The use of multiple regression via principal components in forecasting early season aphid (Homoptera: Aphididae) flight

A - Papers appearing in refereed journals

Howling, G. G., Harrington, R., Clark, S. J. and Bale, J. S. 1993. The use of multiple regression via principal components in forecasting early season aphid (Homoptera: Aphididae) flight. Bulletin of Entomological Research. 83, pp. 377-381.

Oil seed rape and beekeeping

B - Book chapters etc edited externally

Williams, I. H. 1993. Oil seed rape and beekeeping. in: Free, J. B. (ed.) Keeping bees Cardiff Academic Press, Cardiff. pp. 72-77

Host plant factors affecting the feeding of cabbage stem flea beetles (Psylliodes chrysocephala L.) on oilseed rape

C1 - Edited contributions to conferences/learned societies

Williams, I. H. and Bartlet, E. 1993. Host plant factors affecting the feeding of cabbage stem flea beetles (Psylliodes chrysocephala L.) on oilseed rape.

Sex pheromones in the cereal aphid parasitoids Praon volucre and Aphidius rhopalosiphi

A - Papers appearing in refereed journals

Decker, U. M., Powell, W. and Clark, S. J. 1993. Sex pheromones in the cereal aphid parasitoids Praon volucre and Aphidius rhopalosiphi. Entomologia Experimentalis et Applicata. 69, pp. 33-39.

The responses of the cabbage seed weevil (Ceutorhynchus assimilis ) to the odour of oilseed rape (Brassica napus ) and to some volatile isothiocyanates

A - Papers appearing in refereed journals

Bartlet, E., Blight, M. M., Hick, A. J. and Williams, I. H. 1993. The responses of the cabbage seed weevil (Ceutorhynchus assimilis ) to the odour of oilseed rape (Brassica napus ) and to some volatile isothiocyanates. Entomologia Experimentalis et Applicata. 68 (3), pp. 295-302.

Studies of the oviposition deterring pheromone of the cabbage seed weevil (Ceutorhynchus assimilis Payk.): behavioural bioassays and oviposition by weevils wintered in the laboratory.

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W. and Williams, I. H. 1993. Studies of the oviposition deterring pheromone of the cabbage seed weevil (Ceutorhynchus assimilis Payk.): behavioural bioassays and oviposition by weevils wintered in the laboratory.

Selection of an isolate of Zoophthora radicans (Zygomycetes:Entomophthorales) for biocontrol of the diamondback moth Plutella xylostella (Lepidoptera:Yponomeutidae)

A - Papers appearing in refereed journals

Pell, J. K., Wilding, N., Player, A. L. and Clark, S. J. 1993. Selection of an isolate of Zoophthora radicans (Zygomycetes:Entomophthorales) for biocontrol of the diamondback moth Plutella xylostella (Lepidoptera:Yponomeutidae). Journal of Invertebrate Pathology. 61, pp. 75-80.

Rothamsted: cradle of agricultural and apicultural research 2. Bee research achievements

G - Articles in popular magazines and other technical publications

Williams, I. H., Ball, B. V., Tomkins, P. W. and Carreck, N. L. 1993. Rothamsted: cradle of agricultural and apicultural research 2. Bee research achievements. Bee World. 74, pp. 61-74.

Rothamsted: cradle of agricultural and apicultural research. Part 1: origins and development

G - Articles in popular magazines and other technical publications

Williams, I. H. 1993. Rothamsted: cradle of agricultural and apicultural research. Part 1: origins and development. Bee World. 73, pp. 20-26.

Apiculture for agriculture(3)

G - Articles in popular magazines and other technical publications

Williams, I. H. 1992. Apiculture for agriculture(3). Beekeeping. 58, pp. 202-204.

Apiculture for agriculture(2)

G - Articles in popular magazines and other technical publications

Williams, I. H. 1992. Apiculture for agriculture(2). Beekeeping. 58, pp. 172-174.

Apiculture for agriculture(1)

G - Articles in popular magazines and other technical publications

Williams, I. H. 1992. Apiculture for agriculture(1). Beekeeping. 58, pp. 148-150.

Apiculture for agriculture

G - Articles in popular magazines and other technical publications

Williams, I. H. 1992. Apiculture for agriculture. Beekeepers Quarterly. 31, pp. 14-21.

Mating behaviour and identification of the female sex pheromone gland in the brassica pod midge (Dasineura brassicae Winn.: Cecidomyidae, Diptera)

A - Papers appearing in refereed journals

Isidoro, N., Williams, I. H., Solinas, M. and Martin, A. 1992. Mating behaviour and identification of the female sex pheromone gland in the brassica pod midge (Dasineura brassicae Winn.: Cecidomyidae, Diptera). Bolletino Istituto Entomologia, Univ. Bologna. 47, pp. 27-48.

Les abeilles et la pollinisation des cultures et des fleurs sauvages dans la Communaute Europeene

A - Papers appearing in refereed journals

Corbet, S. A., Williams, I. H. and Osborne, J. L. 1992. Les abeilles et la pollinisation des cultures et des fleurs sauvages dans la Communaute Europeene. Apiacta. 27, pp. 105-108.

Comparative phenologies of two migrant cereal aphid species

A - Papers appearing in refereed journals

Clark, S. J., Tatchell, G. M., Perry, J. N. and Woiwod, I. P. 1992. Comparative phenologies of two migrant cereal aphid species. Journal of Applied Ecology. 29 (3), pp. 571-580.

Host plant factors affecting the feeding of the cabbage stem flea beetle (Psylloides chrysocephala) on oilseed rape

C2 - Non-edited contributions to conferences

Williams, I. H. and Bartlet, E. 1992. Host plant factors affecting the feeding of the cabbage stem flea beetle (Psylloides chrysocephala) on oilseed rape. Proceedings OILB Meeting, Le Rhen, February 1992.

Response of the oilseed rape pests, Ceutorhynchus assimilis and Psylliodes chrysocephela, to a mixture of isothiocyanates

C1 - Edited contributions to conferences/learned societies

Bartlet, E., Williams, I. H., Blight, M. M. and Hick, A. J. 1992. Response of the oilseed rape pests, Ceutorhynchus assimilis and Psylliodes chrysocephela, to a mixture of isothiocyanates. Menken, S. B. J., Harrewijn, P. and Visser, J. H. (ed.) Proceedings 8th International Symposium on Insect-Plant Relationships. Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 103-104

Bees have a vital role in agriculture

G - Articles in popular magazines and other technical publications

Ball, B. and Williams, I. H. 1992. Bees have a vital role in agriculture. The Agronomist. No 2, 1992, pp. 2-3.

The influence of aphids and honeydew on the leaving rate of searching aphid parasitoids from wheat plants

A - Papers appearing in refereed journals

Budenberg, W. J., Powell, W. and Clark, S. J. 1992. The influence of aphids and honeydew on the leaving rate of searching aphid parasitoids from wheat plants. Entomologia Experimentalis et Applicata. 63 (3), pp. 259-264.

Les abeilles et la pollinisation de cultures et de fleurs sauvages dans la Communaute Europeenne

G - Articles in popular magazines and other technical publications

Corbet, S. A., Williams, I. H. and Osborne, J. L. 1991. Les abeilles et la pollinisation de cultures et de fleurs sauvages dans la Communaute Europeenne. Les Carnets du Cari. 13, pp. 18-21.

Crop pollination and sustainable agriculture in the nineties and beyond

G - Articles in popular magazines and other technical publications

Williams, I. H. 1991. Crop pollination and sustainable agriculture in the nineties and beyond. Bee World. 72, pp. 45-46.

Bees and the pollination of crop and wild flowers: changes in the European Community: review commissioned by Scientific and Technical Options Assessment, European Parliament

D1 - Technical reports: non-confidential

Corbet, S. A., Williams, I. H. and Osborne, J. L. 1991. Bees and the pollination of crop and wild flowers: changes in the European Community: review commissioned by Scientific and Technical Options Assessment, European Parliament.

Insect pests of oilseed rape. HGCA oilseeds research review OS1

D1 - Technical reports: non-confidential

Alford, D. V., Cooper, D. A. and Williams, I. H. 1991. Insect pests of oilseed rape. HGCA oilseeds research review OS1. Home Grown Cereals Authority (HGCA) London.

Beekeeping, wild bees and pollination in the European Community

A - Papers appearing in refereed journals

Williams, I. H., Corbet, S. A. and Osborne, J. L. 1991. Beekeeping, wild bees and pollination in the European Community. Bee World. 72, pp. 170-180.

Bees, pollination and habitat change in the European Community

A - Papers appearing in refereed journals

Osborne, J. L., Williams, I. H. and Corbet, S. A. 1991. Bees, pollination and habitat change in the European Community. Bee World. 73, pp. 99-116.

Bees and the pollination of crop and wild flowers in the European Community

A - Papers appearing in refereed journals

Corbet, S. A., Williams, I. H. and Osborne, J. L. 1991. Bees and the pollination of crop and wild flowers in the European Community. Bee World. 72, pp. 47-59.

Floral phenology, pollination and fertilization in linseed

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1991. Floral phenology, pollination and fertilization in linseed. Production and Protection of Linseed. Aspects of Applied Biology .

A new approach to the use of meteorological and suction trap data in predicitng aphid problems

C1 - Edited contributions to conferences/learned societies

Harrington, R., Howling, G. G., Bale, J. S. and Clark, S. J. 1991. A new approach to the use of meteorological and suction trap data in predicitng aphid problems.

Factors restricting the feeding of the cabbage stem flea beetle (Psylliodes chrysocephala)

A - Papers appearing in refereed journals

Bartlet, E. and Williams, I. H. 1991. Factors restricting the feeding of the cabbage stem flea beetle (Psylliodes chrysocephala). Entomologia Experimentalis et Applicata. 60 (3), pp. 233-238.

Incidence of pests and diseases and effects of crop protection on double- and single-low winter rape cultivars

C1 - Edited contributions to conferences/learned societies

Williams, I. H., Doughty, K. J., Bock, C. H. and Rawlinson, C. J. 1991. Incidence of pests and diseases and effects of crop protection on double- and single-low winter rape cultivars. Proceedings GCIRC 8th International Rapeseed Conference, Saskatoon Canada, 9-11 July 1991.

Research into the pollination of alternative crops at Rothamsted

G - Articles in popular magazines and other technical publications

Williams, I. H. 1991. Research into the pollination of alternative crops at Rothamsted.

Deposition and longevity of oviposition-deterring pheromone in the cabbage seed weevil

A - Papers appearing in refereed journals

Ferguson, A. W. and Williams, I. H. 1991. Deposition and longevity of oviposition-deterring pheromone in the cabbage seed weevil. Physiological Entomology. 16 (1), pp. 27-33.

Pests, diseases and effects of crop protection on single- and double-low winter rape

C1 - Edited contributions to conferences/learned societies

Rawlinson, C. J. and Williams, I. H. 1990. Pests, diseases and effects of crop protection on single- and double-low winter rape.

Effect of pollination on flower, pod and seed production in white lupin (Lupinus albus)

A - Papers appearing in refereed journals

Williams, I. H., Martin, A. P., Ferguson, A. W. and Clark, S. J. 1990. Effect of pollination on flower, pod and seed production in white lupin (Lupinus albus). The Journal of Agricultural Science. 115, pp. 67-73..

Monitoring Dasineura brassicae by means of pheromone traps.

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1990. Monitoring Dasineura brassicae by means of pheromone traps.

A bibliography of the parasitoids of the brassica pod midge (Dasineura brassicae Winn).

C1 - Edited contributions to conferences/learned societies

Williams, I. H. and Walton, M. 1990. A bibliography of the parasitoids of the brassica pod midge (Dasineura brassicae Winn).

A new initiative in crop protection research on rape.

G - Articles in popular magazines and other technical publications

Rawlinson, C. J., Pickett, J. A., Shewry, P. R., Wilding, N. and Williams, I. H. 1989. A new initiative in crop protection research on rape. GCIRC Bulletin. 5, pp. 58-59.

Pheromone monitoring of Brassica pod midge (Dasineura brassicae Winn.).

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1989. Pheromone monitoring of Brassica pod midge (Dasineura brassicae Winn.). Proceedings of the 7th International Rapeseed Congress, Poznan, Poland, 1987, . pp. 1074-1076

Pest incidence on single low and double low oilseed rape cultivars.

C1 - Edited contributions to conferences/learned societies

Williams, I. H. 1989. Pest incidence on single low and double low oilseed rape cultivars. Production and protection of oilseed rape and other brassica crops. Aspects of Applied Biology .

Honeybee pollination of the double low oilseed rape cultivar Ariana.

C1 - Edited contributions to conferences/learned societies

Williams, I. H. and Simpkins, J. 1989. Honeybee pollination of the double low oilseed rape cultivar Ariana. Production and protection of oilseed rape and other brassica crops. Aspects of Applied Biology .

Oviposition-deterring pheromone of the cabbage seed weevil (Ceutorhynchus assimilis Payk.)

C1 - Edited contributions to conferences/learned societies

Ferguson, A. W. and Williams, I. H. 1989. Oviposition-deterring pheromone of the cabbage seed weevil (Ceutorhynchus assimilis Payk.). Production and protection of oilseed rape and other brassica crops. Aspects of Applied Biology .

Host plant selection by the cabbage stem flea beetle (Psylliodes chrysocephala ).

C1 - Edited contributions to conferences/learned societies

Bartlet, E. and Williams, I. H. 1989. Host plant selection by the cabbage stem flea beetle (Psylliodes chrysocephala ). Production and protection of oilseed rape and other brassica crops. Aspects of Applied Biology .

Glucosinolates in oilseed rape (Brassica napus) and the incidence of pollen beetles (Meligethes aeneus)

A - Papers appearing in refereed journals

Milford, G. F. J., Porter, A. J. R., Fieldsend, J. K., Miller, C. A., Leach, J. E. and Williams, I. H. 1989. Glucosinolates in oilseed rape (Brassica napus) and the incidence of pollen beetles (Meligethes aeneus). Annals of Applied Biology - AAB. 115 (2), pp. 375-380.

Resurgence of insecticide-resistant Myzus persicae on potatoes treated repeatedly with cypermethrin and mineral oil.

A - Papers appearing in refereed journals

Harrington, R., Bartlet, E., Riley, D. K., Ffrench-Constant, R. H. and Clark, S. J. 1989. Resurgence of insecticide-resistant Myzus persicae on potatoes treated repeatedly with cypermethrin and mineral oil. Crop Protection. 8, pp. 340-348.

Estimation of the negative binomial parameter k by maximum quasi-likelihood.

A - Papers appearing in refereed journals

Clark, S. J. and Perry, J. N. 1989. Estimation of the negative binomial parameter k by maximum quasi-likelihood. Biometrics. 45 (1), pp. 309-316.

The pollination of linseed and flax.

G - Articles in popular magazines and other technical publications

Williams, I. H. 1988. The pollination of linseed and flax. Bee World. 69, pp. 145-152.

The effect of fungus infection of Metopolophium dirhodum [Hom.: Aphididae] on the oviposition behaviour of the aphid parasitoid Aphidius rhopalosiphi [Hym.: Aphididae].

A - Papers appearing in refereed journals

Brobyn, P. J., Clark, S. J. and Wilding, N. 1988. The effect of fungus infection of Metopolophium dirhodum [Hom.: Aphididae] on the oviposition behaviour of the aphid parasitoid Aphidius rhopalosiphi [Hym.: Aphididae]. Entomophaga. 33, pp. 333-338.

Close-range behaviour of male pea moths, Cydia nigricana, responding to sex pheromone re-released via the substrate

A - Papers appearing in refereed journals

Perry, J. N., Wall, C. and Clark, S. J. 1988. Close-range behaviour of male pea moths, Cydia nigricana, responding to sex pheromone re-released via the substrate. Entomologia Experimentalis et Applicata. 49 (42767), pp. 37-42.

Effect of decline of insecticide residues on selection for insecticide resistance in Myzus persicae (Sulzer) (Hemiptera: Aphididae)

A - Papers appearing in refereed journals

Ffrench-Constant, R. H., Clark, S. J. and Devonshire, A. L. 1988. Effect of decline of insecticide residues on selection for insecticide resistance in Myzus persicae (Sulzer) (Hemiptera: Aphididae). Bulletin of Entomological Research. 78, pp. 19-29.

The phenology of the emergence of brassica pod midge (Dasineura brassicae Winn.) and its infestation of spring oil-seed rape (Brassica napus L.).

A - Papers appearing in refereed journals

Williams, I. H., Martin, A. P. and Kelm, M. 1987. The phenology of the emergence of brassica pod midge (Dasineura brassicae Winn.) and its infestation of spring oil-seed rape (Brassica napus L.). The Journal of Agricultural Science. 109, pp. 309-314.

The phenology of the emergence of brassica pod midge (Dasineura brassicae Winn.) and its infestation of winter oil-seed rape (Brassica napus L.)

A - Papers appearing in refereed journals

Williams, I. H., Martin, A. P. and Kelm, M. 1987. The phenology of the emergence of brassica pod midge (Dasineura brassicae Winn.) and its infestation of winter oil-seed rape (Brassica napus L.). The Journal of Agricultural Science. 108, pp. 579-589.

Differential rate of selection for resistance by carbamate, organophosphorus and combined pyrethroid and organophosphorus insecticides in Myzus persicae (Sulzer) (Hemiptera: Aphididae).

A - Papers appearing in refereed journals

Ffrench-Constant, R. H., Devonshire, A. L. and Clark, S. J. 1987. Differential rate of selection for resistance by carbamate, organophosphorus and combined pyrethroid and organophosphorus insecticides in Myzus persicae (Sulzer) (Hemiptera: Aphididae). Bulletin of Entomological Research. 77, pp. 227-238.

Laboratory observations on the effect of humidity on the persistence of infectivity of conidia of the aphid pathogen Erynia neoaphidis .

A - Papers appearing in refereed journals

Brobyn, P. J., Wilding, N. and Clark, S. J. 1987. Laboratory observations on the effect of humidity on the persistence of infectivity of conidia of the aphid pathogen Erynia neoaphidis . Annals of Applied Biology - AAB. 110 (3), pp. 579-584.

The pollination of lupins.

A - Papers appearing in refereed journals

Williams, I. H. 1987. The pollination of lupins. Bee World. 68, pp. 10-16.

The effect of insect pollination on plant development and seed production in winter oil-seed rape (Brassica napus L.).

A - Papers appearing in refereed journals

Williams, I. H., Martin, A. P. and White, Robin P. 1987. The effect of insect pollination on plant development and seed production in winter oil-seed rape (Brassica napus L.). The Journal of Agricultural Science. 109, pp. 135-139.

Interference between parasitoids (Hym.: Aphididae) and fungi (Entomophthorales) attacking cereal aphids.

A - Papers appearing in refereed journals

Powell, W., Wilding, N., Brobyn, P. J. and Clark, S. J. 1986. Interference between parasitoids (Hym.: Aphididae) and fungi (Entomophthorales) attacking cereal aphids. Entomophaga. 31, pp. 293-302.

Evidence for a female sex pheromone in the brassica pod midge Dasineura brassicae .

A - Papers appearing in refereed journals

Williams, I. H. and Martin, A. P. 1986. Evidence for a female sex pheromone in the brassica pod midge Dasineura brassicae . Physiological Entomology. 11 (3), pp. 353-356.

The pollination requirements of oil-seed rape (Brassica napus L.)

A - Papers appearing in refereed journals

Williams, I. H., Martin, A. P. and White, Robin P. 1986. The pollination requirements of oil-seed rape (Brassica napus L.). The Journal of Agricultural Science. 106 (1), pp. 27-30.

The pollination of swede rape (brassica-napus l)

A - Papers appearing in refereed journals

Williams, I. H. 1985. The pollination of swede rape (brassica-napus l). Bee World. 66 (1), pp. 16-22.

The pattern and speed of displacement of females of simulium-damnosum theobald si (diptera, simuliidae) across the onchocerciasis control program area of west-africa in 1977 and 1978

A - Papers appearing in refereed journals

Johnson, C. G., Walsh, J. F., Davies, J. B., Clark, S. J. and Perry, J. N. 1985. The pattern and speed of displacement of females of simulium-damnosum theobald si (diptera, simuliidae) across the onchocerciasis control program area of west-africa in 1977 and 1978. Bulletin of Entomological Research. 75 (1), pp. 73-92.

The persistence of infectivity of conidia of the aphid pathogen Erynia neophidis on leaves in the field

A - Papers appearing in refereed journals

Brobyn, P. J., Wilding, N. and Clark, S. J. 1985. The persistence of infectivity of conidia of the aphid pathogen Erynia neophidis on leaves in the field. Annals of Applied Biology - AAB. 107 (3), pp. 365-376.

Social insects - ecology and behavioral biology - brian,mv

A - Papers appearing in refereed journals

Williams, I. H. 1984. Social insects - ecology and behavioral biology - brian,mv. Nature. 308 (5956), pp. 300-300.

The concentrations of air-borne rape pollen over a crop of oil-seed rape (brassica-napus l)

A - Papers appearing in refereed journals

Williams, I. H. 1984. The concentrations of air-borne rape pollen over a crop of oil-seed rape (brassica-napus l). The Journal of Agricultural Science. 103 (OCT), pp. 353-357.

Using foraging honeybees to sample an area for trace-metals

A - Papers appearing in refereed journals

Free, J. B., Williams, I. H., Pinsent, Rjfh, Townshend, A., Basi, M. S. and Graham, C. L. 1983. Using foraging honeybees to sample an area for trace-metals. Environment International. 9 (1), pp. 9-12.

Use of population-models to estimate the proportion of cyst-nematode eggs killed by fumigation

A - Papers appearing in refereed journals

Perry, J. N. and Clark, S. J. 1983. Use of population-models to estimate the proportion of cyst-nematode eggs killed by fumigation. Journal of Applied Ecology. 20 (3), pp. 857-864.

Scent-marking of flowers by honeybees

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1983. Scent-marking of flowers by honeybees. Journal of Apicultural Research. 22 (2), pp. 86-90.

Foraging behavior of honeybees and bumble bees on brussels sprout grown to produce hybrid seed

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1983. Foraging behavior of honeybees and bumble bees on brussels sprout grown to produce hybrid seed. Journal of Apicultural Research. 22 (2), pp. 94-97.

(z)-11-eicosen-1-ol, an important new pheromonal component from the sting of the honey bee, apis-mellifera-l (hymenoptera, apidae)

A - Papers appearing in refereed journals

Pickett, J. A., Williams, I. H. and Martin, A. P. 1982. (z)-11-eicosen-1-ol, an important new pheromonal component from the sting of the honey bee, apis-mellifera-l (hymenoptera, apidae). Journal of Chemical Ecology. 8 (1), pp. 163-175.

Use of unpurified nasonov pheromone components to attract clustering honeybees

A - Papers appearing in refereed journals

Free, J. B., Ferguson, A. W., Pickett, J. A. and Williams, I. H. 1982. Use of unpurified nasonov pheromone components to attract clustering honeybees. Journal of Apicultural Research. 21 (1), pp. 26-29.

Nasonov pheromone of the honeybee - apis-mellifera-l (hymenoptera, apidae) .4. Comparative electroantennogram responses

A - Papers appearing in refereed journals

Williams, I. H., Pickett, J. A. and Martin, A. P. 1982. Nasonov pheromone of the honeybee - apis-mellifera-l (hymenoptera, apidae) .4. Comparative electroantennogram responses. Journal of Chemical Ecology. 8 (2), pp. 567-574.

Attractiveness of (Z)-11-eicosen-1-ol to foraging honeybees

A - Papers appearing in refereed journals

Free, J. B., Williams, I. H., Pickett, J. A., Ferguson, A. W. and Martin, A. P. 1982. Attractiveness of (Z)-11-eicosen-1-ol to foraging honeybees. Journal of Apicultural Research. 21 (3), pp. 151-156.

Solitary bees that inhabit walls

A - Papers appearing in refereed journals

Williams, I. H. 1981. Solitary bees that inhabit walls. Bee World. 62 (3), pp. 106-108.

The nasonov pheromone of the honeybee apis-mellifera l (hymenoptera, apidae) .2. Bioassay of the components using foragers

A - Papers appearing in refereed journals

Williams, I. H., Pickett, J. A. and Martin, A. P. 1981. The nasonov pheromone of the honeybee apis-mellifera l (hymenoptera, apidae) .2. Bioassay of the components using foragers. Journal of Chemical Ecology. 7 (2), pp. 225-237.

Nasonov pheromone of the honey bee, apis-mellifera l (hymenoptera, apidae) .3. Regulation of pheromone composition and production

A - Papers appearing in refereed journals

Pickett, J. A., Williams, I. H., Smith, M. C. and Martin, A. P. 1981. Nasonov pheromone of the honey bee, apis-mellifera l (hymenoptera, apidae) .3. Regulation of pheromone composition and production. Journal of Chemical Ecology. 7 (3), pp. 543-554.

Attraction of honey bees to flowering plants by using synthetic nasonov pheromone

A - Papers appearing in refereed journals

Williams, I. H., Pickett, J. A. and Martin, A. P. 1981. Attraction of honey bees to flowering plants by using synthetic nasonov pheromone. Entomologia Experimentalis et Applicata. 30 (2), pp. 199-201.

The attachment of honeybee comb to sloping hive sides and side-bars of frames

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1981. The attachment of honeybee comb to sloping hive sides and side-bars of frames. Journal of Apicultural Research. 20 (4), pp. 239-242.

The value of white clover Trifolium repens L., Cultivar S100 planted on motorway verges to honeybees Apis mellifera L.

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1980. The value of white clover Trifolium repens L., Cultivar S100 planted on motorway verges to honeybees Apis mellifera L. Biological Conservation. 18 (2), pp. 89-92.

Performance and uptake of some carbendazim-producing fungicides applied as seed treatments to spring barley, in relation to their physicochemical properties

A - Papers appearing in refereed journals

Grahambryce, I. J., Nicholls, P. H. and Williams, I. H. 1980. Performance and uptake of some carbendazim-producing fungicides applied as seed treatments to spring barley, in relation to their physicochemical properties. Pesticide Science. 11 (1), pp. 1-8.

Oil-seed rape and beekeeping, particularly in Britain

A - Papers appearing in refereed journals

Williams, I. H. 1980. Oil-seed rape and beekeeping, particularly in Britain. Bee World. 61 (4), pp. 141-153.

Nasonov pheromone of the honey bee, apis-mellifera l (hymenoptera, apidae) .1. Chemical characterization

A - Papers appearing in refereed journals

Pickett, J. A., Williams, I. H., Martin, A. P. and Smith, M. C. 1980. Nasonov pheromone of the honey bee, apis-mellifera l (hymenoptera, apidae) .1. Chemical characterization. Journal of Chemical Ecology. 6 (2), pp. 425-434.

Infestation of crops of oil-seed rape (brassica-napus l) by insect pests

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1979. Infestation of crops of oil-seed rape (brassica-napus l) by insect pests. The Journal of Agricultural Science. 92 (FEB), pp. 203-218.

Distribution of insect pests on crops of oil-seed rape (brassica-napus l) and the damage they cause

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1979. Distribution of insect pests on crops of oil-seed rape (brassica-napus l) and the damage they cause. The Journal of Agricultural Science. 92 (FEB), pp. 139-149.

Compensation of oil-seed rape (brassica-napus l) plants after damage to their buds and pods

A - Papers appearing in refereed journals

Williams, I. H. and Free, J. B. 1979. Compensation of oil-seed rape (brassica-napus l) plants after damage to their buds and pods. The Journal of Agricultural Science. 92 (FEB), pp. 53-59.

Beekeeping in the sultanate of oman

A - Papers appearing in refereed journals

Williams, I. H. 1979. Beekeeping in the sultanate of oman. American bee journal. 119 (7), pp. 510-&.

Survey of damage caused to crops of oil-seed rape (brassica-napus-l) by insect pests in south-central England and their effect on seed yield

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1978. Survey of damage caused to crops of oil-seed rape (brassica-napus-l) by insect pests in south-central England and their effect on seed yield. The Journal of Agricultural Science. 90 (APR), pp. 417-424.

Responses of the pollen beetle, meligethes-aeneus, and the seed weevil, ceuthorhynchus-assimilis, to oil-seed rape, brassica-napus, and other plants

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1978. Responses of the pollen beetle, meligethes-aeneus, and the seed weevil, ceuthorhynchus-assimilis, to oil-seed rape, brassica-napus, and other plants. Journal of Applied Ecology. 15 (3), pp. 761-&.

Pollination requirements of swede rape (brassica-napus l) and of turnip rape (brassica-campestris l)

A - Papers appearing in refereed journals

Williams, I. H. 1978. Pollination requirements of swede rape (brassica-napus l) and of turnip rape (brassica-campestris l). The Journal of Agricultural Science. 91 (OCT), pp. 343-348.

Feeding and mating-behavior of pollen beetles (meligethes-aeneus fab) and seed weevils (ceutorhynchus-assimilis payk) on oil-seed rape (brassica-napus l)

A - Papers appearing in refereed journals

Williams, I. H. and Free, J. B. 1978. Feeding and mating-behavior of pollen beetles (meligethes-aeneus fab) and seed weevils (ceutorhynchus-assimilis payk) on oil-seed rape (brassica-napus l). The Journal of Agricultural Science. 91 (OCT), pp. 453-459.

Behavior of insects foraging on pigeon pea (cajanus-cajan-(l) millsp) in india

A - Papers appearing in refereed journals

Williams, I. H. 1977. Behavior of insects foraging on pigeon pea (cajanus-cajan-(l) millsp) in india. Tropical Agriculture. 54 (4), pp. 353-363.

The effect on the foraging behaviour of honeybees of the relative locations of the hive entrance and brood combs

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1976. The effect on the foraging behaviour of honeybees of the relative locations of the hive entrance and brood combs. Applied Animal Ethology. 2 (2), pp. 141-154.

Pollination as a factor limiting yield of field beans (vicia-faba-l)

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1976. Pollination as a factor limiting yield of field beans (vicia-faba-l). The Journal of Agricultural Science. 87 (OCT), pp. 395-399.

Insect pollination of Anacardium occidentale L., Mangifera indica L., Blighia sapida Koenig and Persea americana Mill.

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1976. Insect pollination of Anacardium occidentale L., Mangifera indica L., Blighia sapida Koenig and Persea americana Mill. Tropical Agriculture. 53 (2), pp. 125-139.

High-pressure liquid-chromatography of benzimidazoles

A - Papers appearing in refereed journals

Austin, D. J., Lord, K. A. and Williams, I. H. 1976. High-pressure liquid-chromatography of benzimidazoles. Pesticide Science. 7 (2), pp. 211-222.

Beneficial insects present on a motorway verge

A - Papers appearing in refereed journals

Free, J. B., Gennard, D., Stevenson, J. H. and Williams, I. H. 1975. Beneficial insects present on a motorway verge. Biological Conservation. 8 (1), pp. 61-72.

Pollination of coconut (Cocos nucifera L.) in Jamaica by honeybees and wasps

A - Papers appearing in refereed journals

Free, J. B., Raw, A. and Williams, I. H. 1975. Pollination of coconut (Cocos nucifera L.) in Jamaica by honeybees and wasps. 1 (3), pp. 213-223.

Pollination and set of early flowers of runner bean (phaseolus-coccineus l)

A - Papers appearing in refereed journals

Williams, I. H. and Free, J. B. 1975. Pollination and set of early flowers of runner bean (phaseolus-coccineus l). Journal of Horticultural Science. 50 (4), pp. 405-413.

Insect pollination of sugar-beet (beta-vulgaris) seed crops

A - Papers appearing in refereed journals

Free, J. B., Williams, I. H., Longden, P. C. and Johnson, M. G. 1975. Insect pollination of sugar-beet (beta-vulgaris) seed crops. Annals of Applied Biology - AAB. 81 (2), pp. 127-134.

Factors determining rearing and rejection of drones by honeybee colony

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1975. Factors determining rearing and rejection of drones by honeybee colony. Animal Behaviour. 23 (AUG), pp. 650-675.

Effect of environmental conditions during larval period on tendency of worker honeybees to develop their ovaries

A - Papers appearing in refereed journals

Williams, I. H. and Free, J. B. 1975. Effect of environmental conditions during larval period on tendency of worker honeybees to develop their ovaries. Journal of Entomology Series A-Physiology & Behaviour. 49 (MAR25), pp. 179-182.

Pollination of self-fertile apple-trees

A - Papers appearing in refereed journals

Free, J. B., Smith, B. D., Stott, K. G. and Williams, I. H. 1974. Pollination of self-fertile apple-trees. Journal Of Horticultural Science & Biotechnology. 49 (3), pp. 301-304.

Pollination of onion (allium-cepa l) to produce hybrid seed

A - Papers appearing in refereed journals

Williams, I. H. and Free, J. B. 1974. Pollination of onion (allium-cepa l) to produce hybrid seed. Journal of Applied Ecology. 11 (2), pp. 409-417.

Influence of location of honeybee colonies on their choice of pollen sources

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1974. Influence of location of honeybee colonies on their choice of pollen sources. Journal of Applied Ecology. 11 (3), pp. 925-935.

Factors determining food storage and brood rearing in honeybee (apis-mellifera l) comb

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1974. Factors determining food storage and brood rearing in honeybee (apis-mellifera l) comb. Journal of Entomology Series A-Physiology & Behaviour. 49 (NOV7), pp. 47-63.

Pollination of hybrid kale (brassica-oleraceae l)

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1973. Pollination of hybrid kale (brassica-oleraceae l). The Journal of Agricultural Science. 81 (DEC), pp. 557-559.

Genetic determination of honeybee (apis-mellifera l) foraging preferences

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1973. Genetic determination of honeybee (apis-mellifera l) foraging preferences. Annals of Applied Biology - AAB. 73 (2), pp. 137-141.

Foraging behavior of honeybees (apis-mellifera-l) on brussels sprout (brassica-oleracea l)

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1973. Foraging behavior of honeybees (apis-mellifera-l) on brussels sprout (brassica-oleracea l). Journal of Applied Ecology. 10 (2), pp. 489-499.

The influence of a Honeybee (Apis Mellifera) colony on egg-laying by its Queen

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1972. The influence of a Honeybee (Apis Mellifera) colony on egg-laying by its Queen. Entomologia Experimentalis et Applicata. 15 (2), pp. 224-228.

The role of the Nasonov gland pheromone in crop communication by honeybees (Apis mellifera L.)

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1972. The role of the Nasonov gland pheromone in crop communication by honeybees (Apis mellifera L.). Behaviour. 41 (3/4), pp. 314-318.

Hoarding by honeybees (Apis mellifera L.)

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1972. Hoarding by honeybees (Apis mellifera L.). Animal Behaviour. 20 (2), pp. 327-334.

The transport of pollen on the body hairs of honeybees (Apis mellifera L.) and bumblebees (Bombus spp. L.)

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1972. The transport of pollen on the body hairs of honeybees (Apis mellifera L.) and bumblebees (Bombus spp. L.). Journal of Applied Ecology. 9 (2), pp. 609-615.

The effect of giving pollen and pollen supplement to honeybee colonies on the amount of pollen collected

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1971. The effect of giving pollen and pollen supplement to honeybee colonies on the amount of pollen collected. Journal of Apicultural Research. 10 (2), pp. 87-90.

Preliminary investigations on the occupation of artificial nests by Osmia rufa L.(Hymenoptera, Megachilidae)

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1970. Preliminary investigations on the occupation of artificial nests by Osmia rufa L.(Hymenoptera, Megachilidae). Journal of Applied Ecology. 7 (3), pp. 559-566.

Exposure of the Nasonov gland by honeybees (Apis mellifera) collecting water

A - Papers appearing in refereed journals

Free, J. B. and Williams, I. H. 1970. Exposure of the Nasonov gland by honeybees (Apis mellifera) collecting water. Behaviour. 37 (3/4), pp. 286-290.