Stephen Foster

Name	Stephen Foster
Job title	Senior Research Scientist - Molecular Entomology
Email address	stephen.foster@rothamsted.ac.uk
Department	Protecting Crops and the Environment
Research cluster	BCP: Pesticide Resistance
Preferred citation	Foster, S. P.
Office	Harpenden

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Research outputs

Species Sensitivity Distribution (SSD) profiles towards λ-cyhalothrin for key ecosystem service provider (ESP) species across five European countries representing different pedoclimatic zones

Blanco-Moreno, J. M., Caballero-Lopez, B., Cook, S. M., Foster, S. P., Frydryszak, D., Laskowski, R., Ortega-Ramos, P., Rasko, M., Reichardt, P., Sousa, J. P., Sowa, G., Sliwinska-Grochot, R. and Winkler, J. 2024. Species Sensitivity Distribution (SSD) profiles towards λ-cyhalothrin for key ecosystem service provider (ESP) species across five European countries representing different pedoclimatic zones. Science of the Total Environment. 954 (1 December), p. 176412. https://doi.org/10.1016/j.scitotenv.2024.176412

A note on current pyrethroid susceptibility in the bird cherry-oat aphid Rhopalosiphum padi in Ireland

George, A., Meally, H., Foster, S. P., Williamson, M. S., Walsh, L., Carroll, J., Gaffney, M. T. and McNamara, L. 2022. A note on current pyrethroid susceptibility in the bird cherry-oat aphid Rhopalosiphum padi in Ireland. Irish Journal of Agricultural and Food Research. 61 (12), pp. 407-411. https://doi.org/10.15212/ijafr-2022-0106

Evaluating the impact of pyrethroid insecticide resistance on reproductive fitness in Sitobion avenae

Walsh, L. E., Schmidt, O., Foster, S. P., Varis, C., Grant, J., Malloch, G. L. and Gaffney, M. T. 2021. Evaluating the impact of pyrethroid insecticide resistance on reproductive fitness in Sitobion avenae. Annals of Applied Biology - AAB. https://doi.org/10.1111/aab.12738

Sublethal and transgenerational effects of lambda-cyhalothrin on the mirid bugs Lygus pratensis Linnaeus and Polymerus cognatus Fieber

Tan, Y., Jia, B., Foster, S. P., Homem, R. A., Williamson, M. S., Han, H-B., Shan, Y-M. and Pang, B-P. 2021. Sublethal and transgenerational effects of lambda-cyhalothrin on the mirid bugs Lygus pratensis Linnaeus and Polymerus cognatus Fieber . Crop Protection. 139 (January), p. 105354. https://doi.org/10.1016/j.cropro.2020.105354

Investigating the status of pyrethroid resistance in UK populations of the cabbage stem flea beetle (Psylliodes chrysocephala)

Willis, C., Foster, S. P., Zimmer, C. T., Elias, J., Chang, X., Field, L. M., Williamson, M. S. and Davies, T. G. E. 2020. Investigating the status of pyrethroid resistance in UK populations of the cabbage stem flea beetle (Psylliodes chrysocephala) . Crop Protection. p. 105316. https://doi.org/10.1016/j.cropro.2020.105316

First evidence of retained sexual capacity and survival in the pyrethroid resistant Sitobion avenae (F.) (Hemiptera: Aphididae) SA3 super-clone following exposure to a pyrethroid at current field-rate.

Walsh, L. E., Gaffney, M. T., Malloch, G. L., Foster, S. P., Williamson, M. S., Mangan, R. and Purvis, G. 2019. First evidence of retained sexual capacity and survival in the pyrethroid resistant Sitobion avenae (F.) (Hemiptera: Aphididae) SA3 super-clone following exposure to a pyrethroid at current field-rate. Irish Journal of Agricultural and Food Research. 58 (1), pp. 21-26. https://doi.org/10.2478/ijafr-2019-0003

Co-occurrence of defensive traits in the potato aphid Macrosiphum euphorbiae

Clarke, H. V., Foster, S. P., Oliphant, L., Waters, E. W. and Karley, A. J. 2018. Co-occurrence of defensive traits in the potato aphid Macrosiphum euphorbiae. Ecological Entomology. 43 (4), pp. 538-542. https://doi.org/10.1111/een.12522

Insecticide resistance

Foster, S. P., Devine, G. J. and Devonshire, A. L. 2017. Insecticide resistance. in: Van Emden, H. F. and Harrington, R. (ed.) Aphids as crop pests, 2nd edition (Chapter 19) CABI International, Wallingford, Oxon (CABI). pp. 426-447

Incidence, spread and mechanisms of pyrethroid resistance in European populations of the cabbage stem flea beetle, Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae)

Hojland, D. H., Nauen, R., Foster, S. P., Williamson, M. S. and Kristensen, M. 2015. Incidence, spread and mechanisms of pyrethroid resistance in European populations of the cabbage stem flea beetle, Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae). PLOS ONE. 10, p. e0146045. https://doi.org/10.1371/journal.pone.0146045

The evolution of insecticide resistance in the peach potato aphid, Myzus persicae

Bass, C., Puinean, A. M., Zimmer, C. T., Denholm, I., Field, L. M., Foster, S. P., Gutbrod, O., Nauen, R., Slater, R. and Williamson, M. S. 2014. The evolution of insecticide resistance in the peach potato aphid, Myzus persicae. Insect Biochemistry and Molecular Biology. 51, pp. 41-51. https://doi.org/10.1016/j.ibmb.2014.05.003

Poor survival on an artificial diet of two genotypes of the aphid Myzus persicae: a fitness cost of insecticide resistance?

Van Emden, H. F., Foster, S. P. and Field, L. M. 2014. Poor survival on an artificial diet of two genotypes of the aphid Myzus persicae: a fitness cost of insecticide resistance? Agricultural and Forest Entomology. 16 (4), pp. 335-340. https://doi.org/10.1111/afe.12063

The resistance trap: growing aphid threats

Harrington, R., Cox, D., Foster, S. P., Taylor, M. S. and Williamson, M. S. 2014. The resistance trap: growing aphid threats. Crop production in Southern Britain: precision decisions for profitable cropping. Aspects of Applied Biology 127 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 287-294

A mutation (L1014F) in the voltage-gated sodium channel of the grain aphid, Sitobion avenae, is associated with resistance to pyrethroid insecticides

Foster, S. P., Paul, V. L., Slater, R., Warren, A., Denholm, I., Field, L. M. and Williamson, M. S. 2014. A mutation (L1014F) in the voltage-gated sodium channel of the grain aphid, Sitobion avenae, is associated with resistance to pyrethroid insecticides. Pest Management Science. 70 (8), pp. 1249-1253. https://doi.org/10.1002/ps.3683

Can invasions occur without change? A comparison of G-matrices and selection in the peach-potato aphid, Myzus persicae

Bacigalupe, L. D., Barrientos, K., Beckerman, A. P., Carter, M. J., Figueroa, C. C., Foster, S. P., Moore, A. J., Silva, A. X. and Nespolo, R. F. 2013. Can invasions occur without change? A comparison of G-matrices and selection in the peach-potato aphid, Myzus persicae. Ecology and Evolution. 3 (15), pp. 5109-5118. https://doi.org/10.1002/ece3.883

A long term genotypic analysis of Scottish peach-potato aphids: what has happened to the Braveheart clone?

Malloch, G., Pickup, J., Highet, F., Foster, S. P. and Fenton, B. 2013. A long term genotypic analysis of Scottish peach-potato aphids: what has happened to the Braveheart clone? Proceedings Crop Protection in Northern Britain 2012, Dundee, 28-29 February 2012 . pp. 243-248

Survey of resistance to four insecticides and their associated mechanisms in different genotypes of the green peach aphid (Hemiptera: Aphididae) from Chile

Fuentes-Contreras, E., Figueroa, C. C., Silva, A. X., Bacigalupe, L. D., Briones, L. M., Foster, S. P. and Unruh, T. R. 2013. Survey of resistance to four insecticides and their associated mechanisms in different genotypes of the green peach aphid (Hemiptera: Aphididae) from Chile. Journal of Economic Entomology. 106, pp. 400-407. https://doi.org/10.1603/EC12176

Evolution of knock-down resistance to pyrethroids in grain aphids (Sitobion avenae) in the UK

Foster, S. P., Paliwal, D., Martin, J. L. and Williamson, M. S. 2012. Evolution of knock-down resistance to pyrethroids in grain aphids (Sitobion avenae) in the UK. Crop Protection in Southern Britain. Aspects of Applied Biology 117 . pp. 95-96

Susceptibility of standard clones and European field populations of the green peach potato aphid, Myzus persicae, and the cotton aphid, Aphis gossypii, (Hemiptera: Aphididae), to the novel anthranilic diamide insecticide cyantraniliprole

Foster, S. P., Denholm, I., Rison, J-L., Portillo, H. E., Margaritopoulis, J. and Slater, R. 2012. Susceptibility of standard clones and European field populations of the green peach potato aphid, Myzus persicae, and the cotton aphid, Aphis gossypii, (Hemiptera: Aphididae), to the novel anthranilic diamide insecticide cyantraniliprole. Pest Management Science. 68 (4), pp. 629-633. https://doi.org/10.1002/ps.2306

Insecticide resistance in the aphid Myzus persicae

Field, L. M., Bass, C. G., Davies, T. G. E., Foster, S. P., Stevens, M. and Williamson, M. S. 2012. Insecticide resistance in the aphid Myzus persicae. RRA Newsletter. April 2012, pp. 1-2.

Mutation of a nicotinic acetylcholine receptor beta subunit is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae

Bass, C., Puinean, A. M., Andrews, M., Cutler, P., Daniels, M., Elias, J., Paul, V. L., Crossthwaite, A. J., Denholm, I., Field, L. M., Foster, S. P., Lind, R., Williamson, M. S. and Slater, R. 2011. Mutation of a nicotinic acetylcholine receptor beta subunit is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae. BMC Neuroscience. 12 (51). https://doi.org/10.1186/1471-2202-12-51

Fitness trade-off in peach-potato aphids (Myzus persicae) between insecticide resistance and vulnerability to parasitoid attack at several spatial scales

Foster, S. P., Denholm, I., Poppy, G. M., Thompson, R. and Powell, W. 2011. Fitness trade-off in peach-potato aphids (Myzus persicae) between insecticide resistance and vulnerability to parasitoid attack at several spatial scales. Bulletin of Entomological Research. 101 (6), pp. 659-666. https://doi.org/10.1017/S0007485310000623

Amplification of a cytochrome P450 gene is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae

Puinean, A. M., Foster, S. P., Oliphant, L., Denholm, I., Field, L. M., Millar, N. S., Williamson, M. S. and Bass, C. 2010. Amplification of a cytochrome P450 gene is associated with resistance to neonicotinoid insecticides in the aphid Myzus persicae. PLOS Genetics. 6, p. e1000999 (11pp). https://doi.org/10.1371/journal.pgen.1000999

English field samples of Thrips tabaci show strong and ubiquitous resistance to deltamethrin

Foster, S. P., Gorman, K. and Denholm, I. 2010. English field samples of Thrips tabaci show strong and ubiquitous resistance to deltamethrin. Pest Management Science. 66 (8), pp. 861-864. https://doi.org/10.1002/ps.1953

Micro-evolutionary change in relation to insecticide resistance in the peach-potato aphid, Myzus persicae

Fenton, B., Margaritopoulos, J. T., Malloch, G. L. and Foster, S. P. 2010. Micro-evolutionary change in relation to insecticide resistance in the peach-potato aphid, Myzus persicae. Ecological Entomology. 35(Suppl. 1), pp. 131-146. https://doi.org/10.1111/j.1365-2311.2009.01150.x

Characterisation of neonicotinoid resistance in the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae)

Puinean, A. M., Foster, S. P., Oliphant, L., Millar, N. S., Williamson, M. S. and Denholm, I. 2009. Characterisation of neonicotinoid resistance in the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae). Abstracts 8th International Symposium on Aphids, Catania, Italy, 8-12 June 2009 . pp. 154

Complementary methods for monitoring sugar beet aphids to improve risk management of virus yellows

Harrington, R., Stevens, M., Alderson, L. J., Cox, D., Denholm, I., Foster, S. P., Hall, M. J., Hallsworth, P., Oliphant, L., Parker, S., Shortall, C. R., Taylor, M. S. and Wright, S. 2009. Complementary methods for monitoring sugar beet aphids to improve risk management of virus yellows. Redia. 92, pp. 215-217.

Aphids: insecticide resistance update

Harrington, R., Foster, S. P., Alderson, L. J., Cox, D., Hall, M. J., Mallott, M., Oliphant, L., Parker, S., Shortall, C. R., Taylor, M. S., Wright, S. and Denholm, I. 2009. Aphids: insecticide resistance update. British Sugar Beet Review. 77(3), pp. 6-8.

Implications of phenotypic variation of Myzus persicae (Hemiptera: Aphididae) for biological control on greenhouse pepper plants

Gillespie, D. R., Quiring, D. J. M., Foottit, R. G., Foster, S. P. and Acheampong, S. 2009. Implications of phenotypic variation of Myzus persicae (Hemiptera: Aphididae) for biological control on greenhouse pepper plants. Journal of Applied Entomology. 133 (7), pp. 505-511. https://doi.org/10.1111/j.1439-0418.2008.01365.x

Correlated responses to neonicotinoid insecticides in clones of the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae)

Foster, S. P., Cox, D., Oliphant, L., Mitchinson, S. and Denholm, I. 2008. Correlated responses to neonicotinoid insecticides in clones of the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae). Pest Management Science. 64 (11), pp. 1111-1114. https://doi.org/10.1002/ps.1648

Inheritance of L1014F and M918T sodium channel mutations associated with pyrethroid resistance in Myzus persicae

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2008. Inheritance of L1014F and M918T sodium channel mutations associated with pyrethroid resistance in Myzus persicae. Biology Letters. 4, pp. 545-548. https://doi.org/10.1098/rsbl.2008.0225

Aphids galore! So how did the industry avert a virus yellows epidemic in 2007?

Stevens, M., Harrington, R., Parker, S. J., Cox, D. M., Foster, S. P. and May, M. J. 2008. Aphids galore! So how did the industry avert a virus yellows epidemic in 2007? British Sugar Beet Review. 76(1), pp. 20-29.

Characterization of the M918T sodium channel gene mutation associated with strong resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer)

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2008. Characterization of the M918T sodium channel gene mutation associated with strong resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer). Bulletin of Entomological Research. 98 (2), pp. 183-191. https://doi.org/10.1017/S0007485307005524

Insecticide resistance and genetic composition of Myzus persicae (Hemiptera: Aphididae) on field potatoes in New Zealand

Van Toor, R. F., Foster, S. P., Anstead, J. A., Mitchinson, S., Fenton, B. and Kasprowicz, L. 2008. Insecticide resistance and genetic composition of Myzus persicae (Hemiptera: Aphididae) on field potatoes in New Zealand. Crop Protection. 27, pp. 236-247. https://doi.org/10.1016/j.cropro.2007.05.015

Behavioural side-effects of insecticide resistance in aphids increase their vulnerability to parasitoid attack

Foster, S. P., Tomiczek, M., Thompson, R., Denholm, I., Poppy, G. M., Kraaijeveld, A. R. and Powell, W. 2007. Behavioural side-effects of insecticide resistance in aphids increase their vulnerability to parasitoid attack. Animal Behaviour. 74 (3), pp. 621-632. https://doi.org/10.1016/j.anbehav.2006.12.018

Reduced response of insecticide-resistant aphids and attraction of parasitoids to aphid alarm pheromone; a potential fitness trade-off

Foster, S. P., Denholm, I., Thompson, R., Poppy, G. M. and Powell, W. 2005. Reduced response of insecticide-resistant aphids and attraction of parasitoids to aphid alarm pheromone; a potential fitness trade-off. Bulletin of Entomological Research. 95 (1), pp. 37-46. https://doi.org/10.1079/BER2004336

Insecticide resistance

Foster, S. P., Devine, G. J. and Devonshire, A. L. 2007. Insecticide resistance. in: Harrington, R. and Vanemden, H. F. (ed.) Aphids as crop pests CABI International, Wallingford, Oxon (CABI). pp. 261-285

Resistance watch

Harrington, R., Anstead, J. A., Denholm, I., Foster, S. P., Parker, S. J. and Cox, D. M. 2007. Resistance watch. British Sugar Beet Review. 75(1), pp. 37-38.

Stewardship helps manage resistance

Foster, S. P. 2007. Stewardship helps manage resistance. Potato Review. May 2007, pp. 30-31.

The effect of insecticide application sequences on the control and insecticide resistance status of the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae), on field crops of potato

Parker, W. E., Howard, J. J., Foster, S. P. and Denholm, I. 2006. The effect of insecticide application sequences on the control and insecticide resistance status of the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae), on field crops of potato. Pest Management Science. 62 (4), pp. 307-315. https://doi.org/10.1002/ps.1162

High proportion of Myzus persicae on potatoes in New Zealand with insecticide resistance mechanisms

Van Toor, R. F., Foster, S. P., Anstead, J. A., Mitchinson, S., Cox, D. and Barnes, A-M. 2005. High proportion of Myzus persicae on potatoes in New Zealand with insecticide resistance mechanisms. Abstracts 7th International Symposium on Aphids, Fremantle, 2-7 October 2005 .

Handicaps and survival of the fittest in insecticide-susceptible and resistant peach-potato aphids, Myzus persicae : the importance of sex. vs. asex and clonal selection

Fenton, B. and Foster, S. P. 2005. Handicaps and survival of the fittest in insecticide-susceptible and resistant peach-potato aphids, Myzus persicae : the importance of sex. vs. asex and clonal selection. Abstracts International Joint European Science Foundation - Linnean Society Meeting: PARTNER-4 The Paradox of Asexuality: an Evaluation, London, 22-24 September 2005 . pp. 25

The attack of the clones: tracking the movement of insecticide-resistant peach-potato aphids Myzus persicae (Hemiptera: Aphididae)

Fenton, B., Malloch, G., Woodford, J. A. T., Foster, S. P., Anstead, J., Denholm, I., King, L. and Pickup, J. 2005. The attack of the clones: tracking the movement of insecticide-resistant peach-potato aphids Myzus persicae (Hemiptera: Aphididae). Bulletin of Entomological Research. 95, pp. 483-494.

A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid, Myzus persicae

Williamson, M. S., Andrews, M. C., Anstead, J. A., Field, L. M., Moores, G. D., Foster, S. P., Devonshire, A. L. and Denholm, I. 2004. A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid, Myzus persicae. Usherwood, P. N. R., Mellor, I. R. and Beadle, D. J. (ed.) Neurotox '03: neurotoxicological targets from functional genomics and proteomics . Society of Chemical Industry, London. pp. 87-95

Pleiotropic effects of insecticide resistance genes in an aphid pest on vulnerability to attack by parasitoid wasps

Foster, S. P., Denholm, I. and Powell, W. 2004. Pleiotropic effects of insecticide resistance genes in an aphid pest on vulnerability to attack by parasitoid wasps. Abstracts Strength in Diversity: 22nd International Congress of Entomology, Brisbane, 15-21 August 2004 .

Resistance in Myzus persicae : MACE returns?

Waters, J. W. and Foster, S. P. 2004. Resistance in Myzus persicae : MACE returns? TAG Bulletin. No. 2, pp. 18-19.

Wielding the MACE: recent events regarding resistance and the peach potato aphid, Myzus persicae

Waters, J. W., Denholm, I., Harrington, R., Foster, S. P., Parker, S. J. and Dewar, A. M. 2004. Wielding the MACE: recent events regarding resistance and the peach potato aphid, Myzus persicae. British Sugar Beet Review. 72(1), pp. 28-32.

Association of MACE-based insecticide resistance in Myzus persicae with reproductive rate, response to alarm pheromone and vulnerability to attack by Aphidius colemani

Foster, S. P., Kift, N. B., Baverstock, J., Sime, S., Reynolds, K., Jones, J. E., Thompson, R. and Tatchell, G. M. 2003. Association of MACE-based insecticide resistance in Myzus persicae with reproductive rate, response to alarm pheromone and vulnerability to attack by Aphidius colemani. Pest Management Science. 59 (11), pp. 1169-1178. https://doi.org/10.1002/ps.751

Variation in response to neonicotinoid insecticides in peach-potato aphids, Myzus persicae (Hemiptera: Aphididae)

Foster, S. P., Denholm, I. and Thompson, R. 2003. Variation in response to neonicotinoid insecticides in peach-potato aphids, Myzus persicae (Hemiptera: Aphididae). Pest Management Science. 59 (2), pp. 166-173. https://doi.org/10.1002/ps.570

A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid Myzus persicae

Williamson, M. S., Anstead, J. A., Field, L. M., Moores, G. D., Foster, S. P., Devonshire, A. L. and Denholm, I. 2003. A mechanism-based approach to monitoring for insecticide resistance in the peach-potato aphid Myzus persicae. Abstracts Neurotox 2003: Neurotoxicological Targets from Functional Genomics and Proteomics, Nottingham, 1-4 September 2003 .

Analogous pleiotropic effects of insecticide resistance genotypes in peach-potato aphids and houseflies

Foster, S. P., Young, S., Williamson, M. S., Duce, I., Denholm, I. and Devine, G. J. 2003. Analogous pleiotropic effects of insecticide resistance genotypes in peach-potato aphids and houseflies. Heredity. 91 (2), pp. 98-106. https://doi.org/10.1038/sj.hdy.6800285

Insecticide resistance to aphids

Denholm, I., Foster, S. P., Moores, G. D., Anstead, J. A. and Williamson, M. S. 2003. Insecticide resistance to aphids. Rothamsted Research Annual Report. 2002-2003, pp. 29-31.

Insecticide resistance: from science to practice

Williamson, M. S., Anstead, J. A., Devine, G. J., Devonshire, A. L., Field, L. M., Foster, S. P., Moores, G. D. and Denholm, I. 2003. Insecticide resistance: from science to practice. Proceedings BCPC International Congress - Crop Science and Technology, Glasgow, 10-12 November 2003 . pp. 681-688

Combating insecticide resistance in peach-potato aphids in the UK

Foster, S. P., Denholm, I. and Devonshire, A. L. 2003. Combating insecticide resistance in peach-potato aphids in the UK. Abstracts Sustainable Arable Link Meeting, Harpenden, 26 June 2003 .

The effect of clothianidin on aphids and virus yellows in sugar beet

Dewar, A. M., Haylock, L. A., Garner, B. H., Baker, P., Sands, R. J. N., Foster, S. P., Cox, D., Mason, N. and Denholm, I. 2003. The effect of clothianidin on aphids and virus yellows in sugar beet. Pflanzenschutz-Nachrichten Bayer. 56, pp. 127-146.

Trapped in 2002

Harrington, R., Parker, S. J., Taylor, M. S., Adamowicz, T., Cox, D. M., Foster, S. P., Denholm, I., Dewar, A. M. and Pickup, J. 2003. Trapped in 2002. British Sugar Beet Review. 71(1), pp. 12-17.

Bioassay and field-simulator studies of the efficacy of pymetrozine against peach-potato aphids, Myzus persicae (Hemiptera: Aphididae), possessing different mechanisms of insecticide resistance

Foster, S. P., Denholm, I. and Thompson, R. 2002. Bioassay and field-simulator studies of the efficacy of pymetrozine against peach-potato aphids, Myzus persicae (Hemiptera: Aphididae), possessing different mechanisms of insecticide resistance. Pest Management Science. 58 (8), pp. 805-810. https://doi.org/10.1002/ps.529

Amplified esterase genes and their relationship with other insecticide resistance mechanisms in English field populations of the aphid, Myzus persicae (Sulzer)

Field, L. M. and Foster, S. P. 2002. Amplified esterase genes and their relationship with other insecticide resistance mechanisms in English field populations of the aphid, Myzus persicae (Sulzer). Pest Management Science. 58 (9), pp. 889-894. https://doi.org/10.1002/ps.552

Efficacy of neonicotinoids and pymetrozine against peach-potato aphids carrying various forms of insecticide resistance

Foster, S. P. and Denholm, I. 2002. Efficacy of neonicotinoids and pymetrozine against peach-potato aphids carrying various forms of insecticide resistance. Abstracts 7th European Congress of Entomology, Thessaloniki, 7-13 October 2002 . pp. 250

The effect of dose rate of imidacloprid and clothianidin on insecticide-resistant clones of Myzus persicae (Sulzer)

Haylock, L. A., Dewar, A. M., Garner, B. H., Sands, R. J. N., Baker, P., Foster, S. P., Cox, D., Mason, N. and Denholm, I. 2002. The effect of dose rate of imidacloprid and clothianidin on insecticide-resistant clones of Myzus persicae (Sulzer). Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 805-810

Resistance to carbamate, organophosphate and pyrethroid and pyrethroid insecticides in the potato aphid (Macrosiphum euphorbiae )

Foster, S. P., Hackett, B., Mason, N., Moores, G. D., Cox, D. M., Campbell, J. and Denholm, I. 2002. Resistance to carbamate, organophosphate and pyrethroid and pyrethroid insecticides in the potato aphid (Macrosiphum euphorbiae ). Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2002 . pp. 811-816

Behavioural consequences of pyrethroid resistance in the peach-potato aphid, Myzus persicae (Sulzer)

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2002. Behavioural consequences of pyrethroid resistance in the peach-potato aphid, Myzus persicae (Sulzer). Proceedings Brighton Crop Protection Conference - Pests and Diseases - 2002 . pp. 745-748

Incidence and management of insect resistance to neonicotinoids

Denholm, I., Devine, G. J., Foster, S. P., Gorman, K. J. and Nauen, R. 2002. Incidence and management of insect resistance to neonicotinoids. Proceedings Brighton Crop Protection Conference - Pests and Diseases - 2002 . pp. 161-168

Managing aphid-transmitted viruses in Scottish seed potato crops

Woodford, J. A. T., Fenton, B., Barker, H., Pickup, J., Foster, S. P., Evans, K. A. and Coll, C. 2002. Managing aphid-transmitted viruses in Scottish seed potato crops. Proceedings Crop Protection in Northern Britain, Dundee, 19-20 February 2002 . pp. 231-236

Assessment of the implications of introducing imidacloprid treatment on UK potatoes for the evolution of insecticide resistance in Myzus persicae (Report to the British Potato Council)

Foster, S. P. 2002. Assessment of the implications of introducing imidacloprid treatment on UK potatoes for the evolution of insecticide resistance in Myzus persicae (Report to the British Potato Council).

Temporal and spatial dynamics of insecticide resistance in Myzus persicae (Hemiptera: Aphididae)

Foster, S. P., Harrington, R., Dewar, A. M., Denholm, I. and Devonshire, A. L. 2002. Temporal and spatial dynamics of insecticide resistance in Myzus persicae (Hemiptera: Aphididae). Pest Management Science. 58, pp. 895-907.

Why worry about insecticide-resistant aphids?

Foster, S. P., Denholm, I., Harrington, R. and Dewar, A. M. 2002. Why worry about insecticide-resistant aphids? British Sugar Beet Review. 70(2), pp. 20-29.

Field-simulator studies of insecticide resistance to dimethylcarbamates and pyrethroids conferred by metabolic- and target site-based mechanisms in peach-potato aphids, Myzus persicae (Hemiptera: Aphididae)

Foster, S. P., Denholm, I. and Devonshire, A. L. 2002. Field-simulator studies of insecticide resistance to dimethylcarbamates and pyrethroids conferred by metabolic- and target site-based mechanisms in peach-potato aphids, Myzus persicae (Hemiptera: Aphididae). Pest Management Science. 58 (8), pp. 811-816. https://doi.org/10.1002/ps.541

Characterisation of knockdown resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae

Denholm, I., Eleftherianos, I., Foster, S. P., Anstead, J. and Williamson, M. S. 2002. Characterisation of knockdown resistance to pyrethroid insecticides in the peach-potato aphid, Myzus persicae. Abstracts 10th IUPAC International Congress on the Chemistry of Crop Protection, Basel, 4-9 August 2002 . pp. 332

Guidelines for preventing and managing insecticide resistance in aphids on potatoes

Foster, S. P. 2002. Guidelines for preventing and managing insecticide resistance in aphids on potatoes.

Ecological implications of insecticide resistance in the peach-potato aphid Myzus persicae in the UK

Foster, S. P., Williamson, M. S. and Denholm, I. 2001. Ecological implications of insecticide resistance in the peach-potato aphid Myzus persicae in the UK. Abstracts Royal Entomological Society Meeting on Insect Molecular Biology, Cardiff, September 2001 .

Brassica bug alert

Wallwork, C. and Foster, S. P. 2001. Brassica bug alert. Vegetable Farmer. August 2001, p. 14,16.

Spatial and temporal dynamics of insecticide resistance in Myzus persicae

Foster, S. P., Harrington, R., Dewar, A. M. and Denholm, I. 2001. Spatial and temporal dynamics of insecticide resistance in Myzus persicae. Abstracts Resistance 2001, Harpenden, 24-26 September 2001 .

Aphid resistance - vigilance still required

Foster, S. P. 2001. Aphid resistance - vigilance still required. Eyewitness. June 2001, p. 15.

Combating insecticide resistance in peach-potato aphids in the UK. BPC Final report for SAPPIO-LINK Research Project LK0903

Foster, S. P. 2001. Combating insecticide resistance in peach-potato aphids in the UK. BPC Final report for SAPPIO-LINK Research Project LK0903.

How to keep aphids out of seed potatoes

Evans, A. and Foster, S. P. 2001. How to keep aphids out of seed potatoes. Potato Review. March 2001, pp. 12-15.

Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae Sulzer

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2001. Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae Sulzer. Abstracts Resistance 2001, Harpenden, 24-26 September 2001 .

Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer)

Eleftherianos, I., Foster, S. P., Williamson, M. S. and Denholm, I. 2001. Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer). Abstracts Royal Entomological Society International Symposium on Insects and Disease, Aberdeen, September 2001 .

Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer)

Eleftherianos, I., Foster, S. P., Goodson, S. J., Williamson, M. S. and Denholm, I. 2001. Toxicological and molecular characterisation of pyrethroid knockdown resistance (KDR ) in the peach-potato aphid, Myzus persicae (Sulzer). Proceedings 6th International Symposium on Aphids: Aphids in a New Millennium, Rennes, 3-7 September 2001 .

Monitoring of insecticide resistance in Myzus persicae from Greece

Cox, D. M., Devonshire, A. L., Denholm, I. and Foster, S. P. 2001. Monitoring of insecticide resistance in Myzus persicae from Greece. Abstracts Resistance 2001, Harpenden, 24-26 September 2001 . pp. 2-41

Monitoring of insecticide resistance in Myzus persicae from Greece

Cox, D. M., Devonshire, A. L., Denholm, I. and Foster, S. P. 2001. Monitoring of insecticide resistance in Myzus persicae from Greece. Proceedings 6th International Symposium on Aphids: Aphids in a New Millennium, Rennes, 3-7 September 2001 .

Monitoring and management of insecticide resistance in Myzus persicae . Final Report on MAFF Project No PT0220

Denholm, I. and Foster, S. P. 2000. Monitoring and management of insecticide resistance in Myzus persicae . Final Report on MAFF Project No PT0220.

Insecticide resistance and its implications for the field performance of pesticides

Denholm, I., Barber, M. D., Devine, G. J., Foster, S. P., Gorman, K. J. and Horowitz, A. R. 2000. Insecticide resistance and its implications for the field performance of pesticides. Predicting Field Performance in Crop Protection. British Crop Protection Council Symposium 74 . British Crop Protection Council (BCPC). pp. 37-46

Knock-down resitance (kdr ) to pyrethroids in peach-potato aphids (Myzus persicae ) in the UK: a cloud with a silver lining?

Foster, S. P. 2000. Knock-down resitance (kdr ) to pyrethroids in peach-potato aphids (Myzus persicae ) in the UK: a cloud with a silver lining? Proceedings Brighton Crop Protection Conference - Pests and Diseases, 2000 . pp. 465-472

The ups and downs of insecticide resistance in peach-potato aphids (Myzus persicae ) in the UK

Foster, S. P., Denholm, I. and Devonshire, A. L. 2000. The ups and downs of insecticide resistance in peach-potato aphids (Myzus persicae ) in the UK. Crop Protection. 19, pp. 873-879.

European monitoring of aphid susceptibility to imidacloprid and clothianidin (Confidential Final Project Report to Bayer AG)

Denholm, I. and Foster, S. P. 2000. European monitoring of aphid susceptibility to imidacloprid and clothianidin (Confidential Final Project Report to Bayer AG).

Challenges with managing insecicide resistance in the aphid, Myzus persicae

Foster, S. P. and Denholm, I. 2000. Challenges with managing insecicide resistance in the aphid, Myzus persicae. Abstract Book 1: 21st International Congress of Entomology, Foz do Iguassu, Brazil, 20-26 August 2000 . pp. 324

Reduced alarm response by peach-potato aphids, Myzus persicae (Hemiptera: Aphididae), with knock-down resistance to insecticides (kdr ) may impose a fitness cost through increased vulnerability to natural enemies

Foster, S. P., Woodcock, C. M., Williamson, M. S., Devonshire, A. L., Denholm, I. and Thompson, R. 1999. Reduced alarm response by peach-potato aphids, Myzus persicae (Hemiptera: Aphididae), with knock-down resistance to insecticides (kdr ) may impose a fitness cost through increased vulnerability to natural enemies. Bulletin of Entomological Research. 89 (2), pp. 133-138. https://doi.org/10.1017/S0007485399000218

Aphids: never relax guard

Foster, S. P. 1999. Aphids: never relax guard. Farmers Weekly. 26 February 1999.

A sodium channel point mutation is associated with resistance to DDT and pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer) (Hemiptera: Aphididae)

Martinez-Torres, D., Foster, S. P., Field, L. M., Devonshire, A. L. and Williamson, M. S. 1999. A sodium channel point mutation is associated with resistance to DDT and pyrethroid insecticides in the peach-potato aphid, Myzus persicae (Sulzer) (Hemiptera: Aphididae). Insect Molecular Biology. 8 (3), pp. 339-346. https://doi.org/10.1046/j.1365-2583.1999.83121.x

Field-simulator study of insecticide resistance conferred by esterase-, MACE- and kdr-based mechanisms in the peach-potato aphid, Myzus persicae (Sulzer)

Foster, S. P. and Devonshire, A. L. 1999. Field-simulator study of insecticide resistance conferred by esterase-, MACE- and kdr-based mechanisms in the peach-potato aphid, Myzus persicae (Sulzer). Pesticide Science. 55 (8), pp. 810-814. https://doi.org/10.1002/ps.2780550807

Insecticide resistance in the peach-potato aphid, Myzus persicae

Devonshire, A. L. and Foster, S. P. 1999. Insecticide resistance in the peach-potato aphid, Myzus persicae. Denholm, I. and Ioannidis, P. M. (ed.) Proceedings Symposium on Combating Insecticide Resistance, Thessaloniki, 27 May 1999 . pp. 79-85

The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae

Field, L. M., Foster, S. P., Moores, G. D., Williamson, M. S. and Blackman, R. L. Devonshire, A. L., Pickett, J. A. and Denholm, I. (ed.) 1999. The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae. CABI, Wallingford / the Royal Society.

The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae

Devonshire, A. L., Field, L. M., Foster, S. P., Moores, G. D., Williamson, M. S. and Blackman, R. L. 1998. The evolution of insecticide resistance in the peach-potato aphid, Myzus persicae. Philosophical Transactions of the Royal Society B-Biological Sciences. 353 (1376), pp. 1677-1684. https://doi.org/10.1098/rstb.1998.0318

Insecticide resistant aphids remain a danger

Foster, S. P. 1998. Insecticide resistant aphids remain a danger. Farmers Weekly. 27 November 1998.

Three into one will go - the evolution of resistance in the peach-potato aphid Myzus persicae

Dewar, A. M., Haylock, L. A., Foster, S. P., Devonshire, A. L. and Harrington, R. 1998. Three into one will go - the evolution of resistance in the peach-potato aphid Myzus persicae. British Sugar Beet Review. 66(4), pp. 14-19.

Control in sugar beet of Myzus persicae with different insecticide- resistance mechanisms

Dewar, A. M., Haylock, L. A., Campbell. J., Harling, Z., Foster, S. P. and Devonshire, A. L. 1998. Control in sugar beet of Myzus persicae with different insecticide- resistance mechanisms. Protection and Production of Sugar Beet and Potatoes. Aspects of Applied Biology 52 . pp. 407-414

Managing insecticide resistance: the road ahead

Denholm, I., Cahill, M. R. and Foster, S. P. 1998. Managing insecticide resistance: the road ahead. Pest Management - Future Challenges. Proceedings 6th Australasian Applied Entomological Research Conference, Brisbane, 29 September-2 October 1998, Vol. 2 . pp. 115-122

Resistance in Myzus persicae : current status in Europe and future prospects

Wege, P. J., Parker, W., Denholm, I., Foster, S. P., Harling, Z. K., Moores, G. D. and Devonshire, A. L. 1998. Resistance in Myzus persicae : current status in Europe and future prospects. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1998 . pp. 497-502

Insecticide resistance conferred by target site- and esterase-based mechanisms in peach-potato aphids, Myzus persicae

Foster, S. P. and Devonshire, A. L. 1998. Insecticide resistance conferred by target site- and esterase-based mechanisms in peach-potato aphids, Myzus persicae. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 4D-003

Control of peach-potato aphids, Myzus persicae , containing modified acetylcholinesterase on sugar beet under field cages

Dewar, A. M., Haylock, L. A., Harling, Z., Foster, S. P. and Devonshire, A. L. 1998. Control of peach-potato aphids, Myzus persicae , containing modified acetylcholinesterase on sugar beet under field cages. Abstracts 9th International Congress on Pesticide Chemistry: the Food-Environment Challenge, London, 2-7 August 1998 . pp. 4D-017

Intensification of insecticide resistance in UK field populations of the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae) in 1996

Foster, S. P., Denholm, I., Harling, Z. K., Moores, G. D. and Devonshire, A. L. 1998. Intensification of insecticide resistance in UK field populations of the peach-potato aphid, Myzus persicae (Hemiptera: Aphididae) in 1996. Bulletin of Entomological Research. 88 (2), pp. 127-130. https://doi.org/10.1017/S0007485300025694

Monitoring and forecasting aphid vectors of beet viruses: a working system

Harrington, R., Dewar, A. M., Devonshire, A. L., Feather, M., Foster, S. P., Hallsworth, P. B., Harling, Z., Haylock, L. A., Parker, S. J. and Stevens, M. 1997. Monitoring and forecasting aphid vectors of beet viruses: a working system. Proceedings 60th Congress of the Institut International de Recherches Betteravieres, Cambridge, July 1997 . pp. 465-468

Resistance due to insensitive acetylcholinesterase in peach-potato aphids Myzus persicae

Foster, S. P., Harling, Z. K., Moores, G. D. and Devonshire, A. L. 1997. Resistance due to insensitive acetylcholinesterase in peach-potato aphids Myzus persicae. Proceedings 60th Congress of the Institut International de Recherches Betteravieres, Cambridge, July 1997 . pp. 461-464

Use of biochemical and DNA diagnostics for characterising multiple mechanisms of insecticide resistance in the peach-potato aphid, Myzus persicae (Sulzer)

Field, L. M., Anderson, A. P., Denholm, I., Foster, S. P., Harling, Z. K., Javed, N., Martinez-Torres, D., Moores, G. D., Williamson, M. S. and Devonshire, A. L. 1997. Use of biochemical and DNA diagnostics for characterising multiple mechanisms of insecticide resistance in the peach-potato aphid, Myzus persicae (Sulzer). Pesticide Science. 51 (3), pp. 283-289.

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)

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 (6), pp. 573-579. https://doi.org/10.1017/S0007485300038669

Comparative survival of insecticide-susceptible and resistant peach-potato aphids, Myzus persicae (Sulzer) (Hemiptera: Aphididae), in low temperature field trials

Foster, S. P., Harrington, R., Devonshire, A. L., Denholm, I., Devine, G. J., Kenward, M. G. and Bale, J. S. 1996. Comparative survival of insecticide-susceptible and resistant peach-potato aphids, Myzus persicae (Sulzer) (Hemiptera: Aphididae), in low temperature field trials. Bulletin of Entomological Research. 86 (1), pp. 17-27. https://doi.org/10.1017/S0007485300052159

Movement of apterous Myzus persicae in winter: requirements, restrictions and repercussions

Harrington, R., Foster, S. P. and Hawkins, E. 1994. Movement of apterous Myzus persicae in winter: requirements, restrictions and repercussions. Abstracts Joint Annual Meeting of the Entomological Society of Canada and the Entomological Society of Manitoba, Winnipeg, 15-19 October 1994 .

Overwintering success of insecticide-susceptible and resistant peach-potato aphids (Myzus persicae )

Foster, S. P., Harrington, R. and Devonshire, A. L. 1994. Overwintering success of insecticide-susceptible and resistant peach-potato aphids (Myzus persicae ). Abstracts 5th European Congress of Entomology, York, 29th August-2nd September 1994 .