David Withall

Name	David Withall
Job title	Research Scientist - Synthetic and Biological Chemist
Email address	david.withall@rothamsted.ac.uk
Department	Protecting Crops and the Environment
Research cluster	BCP: Pest-Host Interactions
ORCID	https://orcid.org/0000-0001-5042-0183
Office	Harpenden

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Research outputs

Characterisation of aphid antixenosis in aphid-resistant ancestor wheat, Triticum monococcum

Borg, A. N., Vuts, J., Caulfield, J. C., Withall, D. M., Foulkes M. J. and Birkett, M. A. 2024. Characterisation of aphid antixenosis in aphid-resistant ancestor wheat, Triticum monococcum. Pest Management Science. https://doi.org/10.1002/ps.8380

Pea aphid odorant-binding protein ApisOBP6 discriminates between aphid sex pheromone components, aphid alarm pheromone and a host plant volatile

Sims, C., Birkett, M. A., Oldham, N. J., Stockman, R. A. and Withall, D. M 2023. Pea aphid odorant-binding protein ApisOBP6 discriminates between aphid sex pheromone components, aphid alarm pheromone and a host plant volatile. Insect Biochemistry and Molecular Biology. 162, p. 104026. https://doi.org/10.1016/j.ibmb.2023.104026

Effects of root inoculation of entomopathogenic fungi on olfactory-mediated behavior and life-history traits of the parasitoid Aphidius ervi (Haliday) (Hymenoptera: Braconidae)

Wilberts, L., Vuts, J., Caulfield, J. C., Thomas, G., Withall, D., Wackers, F., Birkett, M. A., Jacquemyn, H. and Lievens, B. 2023. Effects of root inoculation of entomopathogenic fungi on olfactory-mediated behavior and life-history traits of the parasitoid Aphidius ervi (Haliday) (Hymenoptera: Braconidae). Pest Management Science. 80 (2), pp. 307-316. https://doi.org/10.1002/ps.7762

Neotropical maize genotypes with different levels of benzoxazinoids affect fall armyworm development

Michereff, M., Nascimento, I. N., Santana, G. T., Sarria, A. L. F., Borges, M., Laumann, R. A., Withall, D., Caulfield, J. C., Birkett, M. A. and Blassioli-Moraes, C. 2022. Neotropical maize genotypes with different levels of benzoxazinoids affect fall armyworm development. Physiological Entomology. 47 (4), pp. 232-241. https://doi.org/10.1111/phen.12392

Enantiomeric Discrimination in Insects: The Role of OBPs and ORs

Sims, C., Birkett, M. A. and Withall, D. 2022. Enantiomeric Discrimination in Insects: The Role of OBPs and ORs. Insects. 13 (4), p. 368. https://doi.org/10.3390/insects13040368

Computational investigation of aphid odorant receptor structure and binding function

Sims, C., Withall, D., Oldham, N., Stockman, R. and Birkett, M. A. 2022. Computational investigation of aphid odorant receptor structure and binding function. Journal of Biomolecular Structure and Dynamics. 41 (8), pp. 3647-3658. https://doi.org/10.1080/07391102.2022.2053743

Bumblebee electric charge stimulates floral volatile emissions in Petunia integrifolia but not in Antirrhinum majus

Montgomery, C., Vuts, J., Woodcock, C. M., Withall, D., Birkett, M. A., Pickett, J. A. and Robert, D. 2021. Bumblebee electric charge stimulates floral volatile emissions in Petunia integrifolia but not in Antirrhinum majus. Naturwissenschaften - The Science of Nature. 108 (44). https://doi.org/10.1007/s00114-021-01740-2

Sex Pheromone of the Alfalfa Plant Bug, Adelphocoris lineolatus: Pheromone Composition and Antagonistic Effect of 1- Hexanol (Hemiptera: Miridae)

Koczor, S., Vuts, J., Caulfield, J. C., Withall, D., Sarria, A. L. F., Pickett, J. A., Birkett, M. A., Csonka, E. B. and Toth, M. 2021. Sex Pheromone of the Alfalfa Plant Bug, Adelphocoris lineolatus: Pheromone Composition and Antagonistic Effect of 1- Hexanol (Hemiptera: Miridae). Journal of Chemical Ecology. 47, pp. 525-533. https://doi.org/10.1007/s10886-021-01273-y

Iridoid Sex Pheromone Biosynthesis in Aphids Mimics Iridoid-Producing Plants

Partridge, S., Withall, D., Caulfield, J. C., Pickett, J. A., Stockman, R. A,, Oldham, N. J. and Birkett, M. A. 2021. Iridoid Sex Pheromone Biosynthesis in Aphids Mimics Iridoid-Producing Plants . Chemistry-A European Journal. 27 (25), pp. 7231-7234. https://doi.org/10.1002/chem.202001356

Harnessing microbial volatiles to replace pesticides and fertilizers

Birkett, M. A., Withall, D. and Thomas, G. 2020. Harnessing microbial volatiles to replace pesticides and fertilizers. Microbial Biotechnology. 13 (5), pp. 1366-1376. https://doi.org/10.1111/1751-7915.13645

Development of an attract-and-infect device for biological control of lesser mealworm, Alphitobius diaperinus (Coleoptera: Tenebrionidae) in poultry houses

Hassemer, M. J., Lopes, R. B., Borges, M., Alves, L. F. A, Withall, D. M., Pickett, J. A., Laumann, R. A., Birkett, M. A. and Blassioli-Moraes, C. 2020. Development of an attract-and-infect device for biological control of lesser mealworm, Alphitobius diaperinus (Coleoptera: Tenebrionidae) in poultry houses . Biological Control. 2020 (149), p. 104326. https://doi.org/10.1016/j.biocontrol.2020.104326

Identification of semiochemicals from cowpea, Vigna unguiculata, for low-input management of the Legume Pod Borer, Maruca vitrata

Osei-Owusu, J., Vuts, J., Caulfield, J. C., Woodcock, C. M., Withall, D., Hooper, A. M., Osafo-Acquaah, S. and Birkett, M. A. 2020. Identification of semiochemicals from cowpea, Vigna unguiculata, for low-input management of the Legume Pod Borer, Maruca vitrata. Journal of Chemical Ecology. 46, pp. 288-298. https://doi.org/10.1007/s10886-020-01149-7

Environmentally vulnerable noble chafers exhibit unusual pheromone-mediated behaviour

Harvey, D. J., Vuts, J., Hooper, A. M., Finch, P., Woodcock, C. M., Caulfield, J. C., Kadej, M., Smolis, A., Withall, D., Henshall, S., Pickett, J. A. and Birkett, M. A. 2018. Environmentally vulnerable noble chafers exhibit unusual pheromone-mediated behaviour. PLOS ONE. 13 (11), p. e0206526. https://doi.org/10.1371/journal.pone.0206526

Development of pull and push-pull systems for management of Lesser Mealworm, Alphitobius diaperinus, in poultry houses using alarm and aggregation pheromones

Hassemer, M., Borges, M., Withall, D., Pickett, J. A., Laumann, R. A., Birkett, M. A. and Blassioli-Moraes, M. C. 2019. Development of pull and push-pull systems for management of Lesser Mealworm, Alphitobius diaperinus, in poultry houses using alarm and aggregation pheromones. Pest Management Science. 75 (4), pp. 1107-1114. https://doi.org/10.1002/ps.5225

Influence of constitutive and induced volatiles from mature green coffee berries on the foraging behaviour of female coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curclionidae: Scolytinae)

Blassiolo-Moraes, M. C., Michereff, M. F. F., Magalhaes, D. M., Morals, S. D., Hassemer, M. J., Laumann, R. A., Meneghin, A. M., Birkett, M. A., Withall, D., Medeiros, L. N., Correa, C. M. C. and Borges, M. 2018. Influence of constitutive and induced volatiles from mature green coffee berries on the foraging behaviour of female coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curclionidae: Scolytinae). Arthropod-Plant Interactions. https://doi.org/10.1007/s11829-018-9631-z

Identification of volatile compounds involved in host location by Anthonomus grandis (Coleoptera: Curculionidae)

Maghalaes, D. M., Borges, M., Laumann, R. A., Woodcock, C. M., Withall, D., Pickett, J. A., Birkett, M. A. and Blassioli-Moraes, M. C. 2018. Identification of volatile compounds involved in host location by Anthonomus grandis (Coleoptera: Curculionidae). Frontiers in Ecology and Evolution. July (6), p. 98. https://doi.org/10.3389/fevo.2018.00098

(2R,5S)‐Theaspirane Identified as the Kairomone for the Banana Weevil, Cosmopolites sordidus, from Attractive Senesced Leaves of the Host Banana, Musa spp.

Abagale, S. A., Woodcock, C. M., Hooper, A. M., Caulfield, J. C., Withall, D., Chamberlain, K., Acquaah, S. O., Van Emden, H., Braimah, H., Pickett, J. A. and Birkett, M. A. 2018. (2R,5S)‐Theaspirane Identified as the Kairomone for the Banana Weevil, Cosmopolites sordidus, from Attractive Senesced Leaves of the Host Banana, Musa spp. Chemistry-A European Journal. 24 (37), pp. 9217-9219. https://doi.org/10.1002/chem.201800315

Conspecific and Heterogeneric Lacewings Respond to (Z)-4-Tridecene Identified from Chrysopa formosa (Neuroptera: Chrysopidae)

Koczor, S., Szentkiralyi, F., Vuts, J., Caulfield, J. C., Withall, D. M., Pickett, J. A., Birkett, M. A. and Toth, M. 2018. Conspecific and Heterogeneric Lacewings Respond to (Z)-4-Tridecene Identified from Chrysopa formosa (Neuroptera: Chrysopidae). Journal of Chemical Ecology. 44 (2), pp. 137-146. https://doi.org/10.1007/s10886-017-0920-2