James Bell

NameJames Bell
Job titleHead of RIS/Senior Research Scientist - Entomology
Email addressjames.bell@rothamsted.ac.uk
DepartmentBiointeractions and Crop Protection
Research clusterBCP: Surveillance and Monitoring
ORCIDhttps://orcid.org/0000-0003-1640-6120
Preferred citationBell, J. R.
OfficeHarpenden

Research outputs

UK aphid migration percentiles, covariates and model outputs from the Rothamsted Insect Survey's 12.2 m suction-trap network: 1965 to 2018

Bourhis, Y., Bell, J. R., Van Den Bosch, F. and Milne, A. E. 2020. UK aphid migration percentiles, covariates and model outputs from the Rothamsted Insect Survey's 12.2 m suction-trap network: 1965 to 2018. Rothamsted Research. doi:10.23637/rothamsted.979yv

A diagnostic real-time PCR assay for the rapid identification of the tomato-potato psyllid, Bactericera cockerelli (Šulc, 1909) and development of a psyllid barcoding database

Sumner-Kalkun, J. C., Sjolund, M. J., Arnsdorf, Y. M., Carnegie, M., Highet, F., Ouvrard, D., Greenslade, A. F. C., Bell, J. R., Sigvald, R. and Kenyon, D. M. 2020. A diagnostic real-time PCR assay for the rapid identification of the tomato-potato psyllid, Bactericera cockerelli (Šulc, 1909) and development of a psyllid barcoding database. PLOS ONE. 15 (3), p. e0230741.

Rothamsted Insect Survey, Moth and Aphid catch abundance data

Bell, J. R., Blumgart, D. and Shortall, C. R. 2020. Rothamsted Insect Survey, Moth and Aphid catch abundance data. Rothamsted Research. doi:10.23637/rothamsted.975qz

Are insects declining and at what rate? An analysis of standardised, systematic catches of aphid and moth abundances across Great Britain

Bell, J. R., Blumgart, D. and Shortall, C. R. 2020. Are insects declining and at what rate? An analysis of standardised, systematic catches of aphid and moth abundances across Great Britain. Insect Conservation and Diversity. 13 (2), pp. 115-126.

Population genetic structure and predominance of cyclical parthenogenesis in the bird cherry–oat aphid Rhopalosiphum padi in England

Morales-Hojas, R., Gonzalez-Uriarte, A., Alvira-Iraizoz, F., Jenkins, T., Alderson, L. J., Kruger, T., Hall, M. J., Greenslade, A. F. C., Shortall, C. R. and Bell, J. R. 2020. Population genetic structure and predominance of cyclical parthenogenesis in the bird cherry–oat aphid Rhopalosiphum padi in England. Evolutionary Applications.

Moth biomass increases and decreases over 50 years in Britain

Macgregor, C. J., Williams, J. H., Bell, J. R. and Thomas, C. D. 2019. Moth biomass increases and decreases over 50 years in Britain. Nature Ecology & Evolution.

Genetic structure at national and regional scale in a long-distance dispersing pest organism, the bird cherry–oat aphid Rhopalosiphum padi

Morales-Hojas, R., Gonzalez-Uriarte, A., Alvira-Iraizoz, F., Jenkins, T., Alderson, L. J., Kruger, T., Hall, M. J., Greenslade, A. F. C., Shortall, C. R. and Bell, J. R. 2019. Genetic structure at national and regional scale in a long-distance dispersing pest organism, the bird cherry–oat aphid Rhopalosiphum padi. bioRxiv.

Climate-induced phenology shifts linked to range expansions in species with multiple reproductive cycles per year

Macgregor, C.J, Thomas, C.D., Roy, D.B., Beaumont, M., Bell, J. R., Brereton, T., Bridle, J., Dytham, C., Fox, R., Gotthard, K., Hoffmann, A., Martin, G., Middlebrook, I., Nylin, S., Platts, P., Rasteiro, R., Saccheri, I., Villoutreix, R., Wheat, C. and Hill, J. 2019. Climate-induced phenology shifts linked to range expansions in species with multiple reproductive cycles per year. Nature Ecology & Evolution. 10 (4455).

Spatial and habitat variation in aphid, butterfly, moth and bird phenologies over the last half century

Bell, J. R., Botham, M. S., Henrys, P. A., Leech, D. I., Pearce-Higgins, J. W., Shortall, C. R., Brereton, T. M., Pickup, J. and Thackeray, S. J. 2019. Spatial and habitat variation in aphid, butterfly, moth and bird phenologies over the last half century. Global Change Biology. 25 (6), pp. 1982-1994.

Insect population trends and the IUCN Red List process

Fox, R., Harrower, C.A., Bell, J. R., Shortall, C. R., Middlebrook, I. and Wilson, R.J. 2018. Insect population trends and the IUCN Red List process. Journal of Insect Conservation. pp. 1-10.

Climate Change And Insect Pests: Monitoring And Surveillance Of The Migratory Phase For Smart Crop Protection

Bell, J. R. 2018. Climate Change And Insect Pests: Monitoring And Surveillance Of The Migratory Phase For Smart Crop Protection. Phytoma. 300 (June), pp. 84-86.

Rothamsted Long-term experiments : guide to the classical and other long-term experiments, datasets and sample archive

Macdonald, A. J., Poulton, P. R., Clark, I. M., Scott, T., Glendining, M. J., Perryman, S. A. M., Storkey, J., Bell, J. R., Shield, I. F., Mcmillan, V. E. and Hawkins, J. M. B. Macdonald, A. J. (ed.) 2018. Rothamsted Long-term experiments : guide to the classical and other long-term experiments, datasets and sample archive. Rothamsted Research, Harpenden.

Dynamic selection of environmental variables to improve the prediction of aphid phenology: A machine learning approach

Holloway, P., Kudenko, D. and Bell, J. R. 2018. Dynamic selection of environmental variables to improve the prediction of aphid phenology: A machine learning approach. Ecological Indicators. 88 (May), pp. 512-521.

The sensitivity of breeding songbirds to changes in seasonal timing is linked to population change but cannot be directly attributed to the effects of trophic asynchrony on productivity

Franks, S. E., Pearce-Higgins, J. W., Atkinson, S., Bell, J. R., Botham, M. S., Brereton, T. M., Harrington, R. and Leech, D. I. 2018. The sensitivity of breeding songbirds to changes in seasonal timing is linked to population change but cannot be directly attributed to the effects of trophic asynchrony on productivity. Global Change Biology. 24 (3), pp. 957-971.

Impacts of climate change on national biodiversity population trends

Martay, B., Dennis, E. B., Brereton, T. M., Bell, J. R., Crick, H. Q. P., Morecroft, M. D., Roy, D. B. and Pearce-Higgins, J. W. 2017. Impacts of climate change on national biodiversity population trends. Ecography. 40 (10), p. 1139–1151.

First report of 'Candidatus Liberibacter solanacearum' in the United Kingdom in the psyllid Trioza anthrisci

Sjolund, M. J., Clark, M., Carnegie, M., Greenslade, A. F. C., Ouvrard, D., Highet, F., Sigvald, J. R., Bell, J. R., Arnsdorf, Y. M., Cairns, R. and Kenyon, M. 2017. First report of 'Candidatus Liberibacter solanacearum' in the United Kingdom in the psyllid Trioza anthrisci. New Disease Reports. 36, p. 4.

Aphid population dynamics: from fields to landscapes

Bell, J. R., Pierre, J-S. and Dedryver, C. A. 2017. Aphid population dynamics: from fields to landscapes. in: Van Emden, H. F. and Harrington, R. (ed.) In: Aphids as crop pests, 2nd edition (Chapter 13) CABI International, Wallingford, Oxon (CABI). pp. 280-302

A New Approach to Modelling the Relationship Between Annual Population Abundance Indices and Weather Data

Elston, D. A., Brewer, M. J., Martay, B., Johnston, A., Henrys, P. A., Bell, J. R., Harrington, R., Monteith, D. T., Brereton, T. M., Boughey, K. L. and Pearce-Higgins, J. W. 2017. A New Approach to Modelling the Relationship Between Annual Population Abundance Indices and Weather Data. Journal of Agricultural Biological and Environmental Statistics. 22 (4), pp. 427-445.

Handbook of protocols for standardized measurement of terrestrial invertebrate functional traits

Moretti, M., Dias, A. T. C., De Bello, F., Altermatt, F., Chown, S. L., Azacrate, F. M., Bell, J. R., Fournier, B., Hedde, M., Hortal, J., Ibanez, S., Ockinger, E., Sousa, J. P., Ellers, J. and Berg, M. P. 2017. Handbook of protocols for standardized measurement of terrestrial invertebrate functional traits. Functional Ecology. 31 (3), pp. 558-567.

Phenological sensitivity to climate across taxa and trophic levels

Thackeray, S. J., Henrys, P. A., Hemming, D., Bell, J. R., Botham, M. S., Burthe, S., Helaouet, P., Johns, D. G., Jones, I. D., Leech, D. I., Mackay, E. B., Massimino, D., Atkinson, S., Bacon, P. J., Brereton, T. M., Carvalho, L., Clutton-Brock, T. H., Duck, C., Edwards, M., Elliott, J. M., Hall, S. J. G., Harrington, R., Pearce-Higgins, J. W., Hoye, T. T., Kruuk, L. E. B., Pemberton, J. M., Sparks, T. H., Thompson, P. M., White, I., Winfield, I. J. and Wanless, S. 2016. Phenological sensitivity to climate across taxa and trophic levels. Nature. 535 (7611), pp. 241-5.

The unique contribution of Rothamsted to ecological research at large temporal scales

Storkey, J., Macdonald, A. J., Bell, J. R., Clark, I. M., Gregory, A. S., Hawkins, N. J., Hirsch, P. R., Todman, L. C. and Whitmore, A. P. 2016. The unique contribution of Rothamsted to ecological research at large temporal scales. in: Dumbrell, A. J., Kordas, R. L. and Woodward, G. (ed.) Advances in Ecological Research 55: Large-Scale Ecology: Model Systems to Global Perspectives Academic Press, Oxford. pp. 3-42

Quantifying interspecific variation in dispersal ability of noctuid moths using an advanced tethered flight technique

Jones, H. B. C., Lim, K. S., Bell, J. R., Hill, J. K. and Chapman, J. W. 2016. Quantifying interspecific variation in dispersal ability of noctuid moths using an advanced tethered flight technique. Ecology and Evolution. 6 (1), pp. 181-190.

Changes in large-scale climate alter spatial synchrony of aphid pests

Sheppard, L. W., Bell, J. R., Harrington, R. and Reuman, D. C. 2016. Changes in large-scale climate alter spatial synchrony of aphid pests. Nature Climate Change. 6, pp. 610-613.

Organic farming: biodiversity impacts can depend on dispersal characteristics and landscape context

Feber, R., E., Johnson, PJ., Bell, J. R., Chamberlain, D. E., Firbank, L. G., Fuller, R. J., Manley, W., Mathews, F., Norton, L. R., Townsend, M. and Macdonald, D. W. 2015. Organic farming: biodiversity impacts can depend on dispersal characteristics and landscape context. PLOS ONE. 10 (8), p. e0135921.

The effect of farmers' decisions on pest control with Bt crops: a billion dollar game of strategy

Milne, A. E., Bell, J. R., Hutchison, W. D., Van Den Bosch, F., Mitchell, P. D., Crowder, D., Parnell, S. and Whitmore, A. P. 2015. The effect of farmers' decisions on pest control with Bt crops: a billion dollar game of strategy. PLOS Computational Biology. 11, p. e1004483.

Large-scale migration synchrony between parasitoids and their host

Perez-Rodriguez, J., Shortall, C. R. and Bell, J. R. 2015. Large-scale migration synchrony between parasitoids and their host. Ecological Entomology. 40 (5), pp. 654-659.

Long-term phenological trends, species accumulation rates, aphid traits and climate: five decades of change in migrating aphids

Bell, J. R., Alderson, L. J., Izera, D., Kruger, T., Parker, S. J., Pickup, J., Shortall, C. R., Taylor, M. S., Verrier, P. J. and Harrington, R. 2015. Long-term phenological trends, species accumulation rates, aphid traits and climate: five decades of change in migrating aphids. Journal of Animal Ecology. 84 (1), pp. 21-34.

Population metrics for migrating aphids

Bell, J. R., Harrington, R., Taylor, M. S. and Verrier, P. J. 2013. Population metrics for migrating aphids. Nordic Association of Agricultural Scientists.

Predicting insect migration density and speed in the daytime convective boundary layer

Bell, J. R., Aralimarad, P., Lim, K. S. and Chapman, J. W. 2013. Predicting insect migration density and speed in the daytime convective boundary layer. PLOS ONE. 8, p. e54202.

Intraguild predation in winter wheat: prey choice by a common epigeal carabid consuming spiders

Davey, J. S., Vaughan, I. P., King, R. A., Bell, J. R., Bohan, D. A., Bruford, M. W., Holland, J. M. and Symondson, W. O. C. 2013. Intraguild predation in winter wheat: prey choice by a common epigeal carabid consuming spiders. Journal of Applied Ecology. 50 (1), pp. 271-279.

Suction sampling as a significant source of error in molecular analysis of predator diets

King, R. A., Davey, J. S., Bell, J. R., Read, D. S., Bohan, D. A. and Symondson, W. O. C. 2012. Suction sampling as a significant source of error in molecular analysis of predator diets. Bulletin of Entomological Research. 102, pp. 261-266.

Generalist predators disrupt parasitoid aphid control by direct and coincidental intraguild predation

Traugott, M., Bell, J. R., Raso, L., Sint, D. and Symondson, W. O. C. 2012. Generalist predators disrupt parasitoid aphid control by direct and coincidental intraguild predation. Bulletin of Entomological Research. 102, pp. 239-247.

Climatic change is advancing the phenology of moth species in Ireland

O'Neill, B. F., Bond, K., Tyner, A., Sheppard, R., Bryant, T., Chapman, J. W., Bell, J. R. and Donnelly, A. 2012. Climatic change is advancing the phenology of moth species in Ireland. Entomologia Experimentalis et Applicata. 143 (1), pp. 74-88.

Seasonal migration to high latitudes results in major reproductive benefits in an insect

Chapman, J. W., Bell, J. R., Burgin, L. E., Reynolds, D. R., Pettersson, L. B., Hill, J. K., Bonsall, M. B. and Thomas, J. A. 2012. Seasonal migration to high latitudes results in major reproductive benefits in an insect. Proceedings of the National Academy of Sciences of the United States of America - PNAS. 109 (37), pp. 14924-14929.

Putting the brakes on a cycle: bottom-up effects damp cycle amplitude

Bell, J. R., Burkness, E. C., Milne, A. E., Onstad, D. W., Abrahamson, M., Hamilton, K. L. and Hutchison, W. D. 2012. Putting the brakes on a cycle: bottom-up effects damp cycle amplitude. Ecology Letters. 15 (4), pp. 310-318.

The trait and host plant ecology of aphids and their distribution and abundance in the United Kingdom

Bell, J. R., Taylor, M. S., Shortall, C. R., Welham, S. J. and Harrington, R. 2012. The trait and host plant ecology of aphids and their distribution and abundance in the United Kingdom. Global Ecology and Biogeography. 21 (4), pp. 405-415.

Multiplex reactions for the molecular detection of predation on pest and nonpest invertebrates in agroecosystems

King, R. A., Moreno-Ripoll, R., Agusti, N., Shayler, S. P., Bell, J. R., Bohan, D. A. and Symondson, W. O. C. 2011. Multiplex reactions for the molecular detection of predation on pest and nonpest invertebrates in agroecosystems. Molecular Ecology Resources. 11 (2), pp. 370-373.

Trophic level asynchrony in rates of phenological change for marine, freshwater and terrestrial environments

Thackeray, S. J., Sparks, T. H., Frederiksen, M., Burthes, S., Bacon, P. J., Bell, J. R., Botham, M. C., Brereton, T. M., Bright, P. W., Carvalho, L., Clutton-Brock, T., Dawson, A., Edwards, M., Elliott, J. M., Harrington, R., Johns, D., Jones, I. D., Jones, J. T., Leech, D. I., Roy, D. B., Scott, W. A., Smith, M., Smithers, R. J., Winfield, I. J. and Wanless, S. 2010. Trophic level asynchrony in rates of phenological change for marine, freshwater and terrestrial environments. Global Change Biology. 16 (12), pp. 3304-3313.

Prey choice by carabid beetles feeding on an earthworm community analysed using species- and lineage-specific PCR primers

King, A. R., Vaughan, I. P., Bell, J. R., Bohan, D. A. and Symondson, W. O. C. 2010. Prey choice by carabid beetles feeding on an earthworm community analysed using species- and lineage-specific PCR primers. Molecular Ecology. 19 (8), pp. 1721-1732.

Spatial co-occurrence networks predict the feeding histories of polyphagous arthropod predators at field scales

Bell, J. R., King, R. A., Bohan, D. A. and Wymondson, W. O. C. 2010. Spatial co-occurrence networks predict the feeding histories of polyphagous arthropod predators at field scales. Ecography. 33 (1), pp. 64-72.

BICCO-Net: the Biodiversity Impacts of Climate Change Observation Network

Chamberlain, D., Eglington, S., Haysom, K., Roy, D., Willis, S., Broome, A., Dines, T. and Bell, J. R. 2009. BICCO-Net: the Biodiversity Impacts of Climate Change Observation Network. Abstracts ZSL Biodiversity Monitoring and Conservation Symposium, London, 18-19 June 2009 .

The GAMes aphids play

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 .

Endoparasitism in cereal aphids: molecular analysis of a whole parasitoid community

Traugott, M., Bell, J. R., Broad, G. R., Powell, W., Van Veen, F. J. F., Vollhardt, I. M. G. and Symondson, W. O. C. 2008. Endoparasitism in cereal aphids: molecular analysis of a whole parasitoid community. Molecular Ecology. 17 (17), pp. 3928-3938.

Do functional traits improve prediction of predation rates for a disparate group of aphid predators?

Bell, J. R., Mead, A., Skirvin, D. J., Sunderland, K. D., Fenlon, J. S. and Symondson, W. O. C. 2008. Do functional traits improve prediction of predation rates for a disparate group of aphid predators? Bulletin of Entomological Research. 98, pp. 587-597.

Beneficial links for the control of aphids: the effects of compost applications on predators and prey

Bell, J. R., Traugott, M., Sunderland, K. D., Skirvin, D. J., Mead, A., Kravar-Garde, L., Reynolds, K., Fenlon, J. S. and Symondson, W. O. C. 2008. Beneficial links for the control of aphids: the effects of compost applications on predators and prey. Journal of Applied Ecology. 45 (4), pp. 1266-1273.

Weed and invertebrate community compositions in arable farmland

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.

Using spatial co-occurrence networks to examine the effects of prey biomass and density on the distribution of polyphagous predators

Bell, J. R., King, R. A., Bohan, D. A. and Symondson, W. O. C. 2007. Using spatial co-occurrence networks to examine the effects of prey biomass and density on the distribution of polyphagous predators. Theoretical Population Ecology and Practical Biocontrol - Bridging the Gap, Studley Castle, 5-6 December 2007 .

Molecular detection of predation on earthworms

King, R. A., Bell, J. R., Bohan, D. A. and Symondson, W. O. C. 2007. Molecular detection of predation on earthworms. Abstracts UK and Irish Earthworm Researchers' Meeting, London, 28 September 2007 .

Ballooning dispersal in arthropod taxa with convergent behaviours: dynamic properties of ballooning silk in turbulent flows

Reynolds, A. M., Bohan, D. A. and Bell, J. R. 2006. Ballooning dispersal in arthropod taxa with convergent behaviours: dynamic properties of ballooning silk in turbulent flows. Biology Letters. 2, pp. 371-373.

Can simple experimental electronics simulate the dispersal phase of spider ballooners?

Bell, J. R., Bohan, D. A., Le Fevre, R. and Weyman, G. S. 2005. Can simple experimental electronics simulate the dispersal phase of spider ballooners? Journal Of Arachnology. 33, pp. 523-532.

Ballooning dispersal using silk: world fauna, phylogenies, genetics and models

Bell, J. R., Bohan, D. A., Shaw, E. M. and Weyman, G. S. 2005. Ballooning dispersal using silk: world fauna, phylogenies, genetics and models. Bulletin of Entomological Research. 95, pp. 69-114.