Rebecca Hallett

Professor and Associate Dean (Research and Graduate Studies)
Phone number: 
(519) 824-4120 Ext.54488 Room: ECBL 2240
EC Bovey Building


BSc (Biogeography), Toronto;

MPM, PhD (Entomology) Simon Fraser


Vegetable and field crop pest management, population dynamics of alien and invasive species, chemical ecology of insects, insect-plant interactions, climate change impacts on invasive species.

Meet Prof. Rebecca Hallett

Head shot of Rebecca with a play button overlaid.

Rebecca Hallett is a professor in our School of Environmental Sciences. Her research focuses on the management of pest species in agricultural systems.

Check our Rebecca's 60 second snapshot video here. 


  • Hodgdon, E.A., Stratton, C.A., Hoepting, C.A., Campbell, A., Gradish, A., Evans, B., Hallett, R.H., and Y.H. Chen. 2024. Organic management of the invasive swede midge (Diptera: Cecidomyiidae) on Brassica vegetables: multiple dead-ends necessitate novel approaches. Journal of Integrated Pest Management. (In press).
  • Gradish, A.E., Mori, B.A., Abram, P.K., Haye, T., Boquel, S., and R.H. Hallett. 2024. Contarinia nasturtii (Kieffer), Swede Midge / Cécidomyie du chou-fluer and Contarinia brassicola Sinclair, Canola Flower Midge / Cécidomyie des fleurs du canola (Diptera: Cecidomyiidae). In: Vankosky, M.A. and Martel, V. (eds.) Biological Control Programmes in Canada 2013-2023. CAB International Publishing, Wallingford, Oxon, United Kingdom. (In press).
  • Hodgdon, E.A., Hallett, R.H., Heal, J.D., Stratton, C.A., Hoepting, C.A., and Y.H. Chen. 2022. Field tests of candidate pheromone blends show promise for mating disruption of the invasive swede midge (Diptera: Cecidomyiidae). The Canadian Entomologist, 154, e37: 1–17. doi:10.4039/tce.2022.20.
  • McCreary, C.M., Smith, J.L., Bahlai, C.A., Schaafsma, A.W., Hallett, R.H., and R. Mercader. 2021. Phenology of Bean Leaf Beetle (Coleoptera: Chrysomelidae) in Ontario, Canada and Field Validation of a Degree-Day Model. Environmental Entomology, 51(1): 252-262.
  • Muzzatti, M., Mori, B., and R.H. Hallett. 2021. Compensatory abilities of canola in response to swede midge (Diptera: Cecidomyiidae) damage. Journal of Economic Entomology, 114(2): 728-738. doi:10.1093/jee/toaa323.
  • Hodgdon, E.A., Hallett, R.H., Heal, J.D., Swan, A.E.M., and Y.H. Chen. 2020. Synthetic pheromone exposure increases calling and reduces subsequent mating in female Contarinia nasturtii (Diptera: Cecidomyiidae). Pest Management Science, 77(1): 548-556. doi: 10.1002/ps.6054.
  • Renkema, J.M., Frewin, A., and R.H. Hallett. 2020. Effects of interplanting peppermint (Lamiaceae) in strawberry (Rosaceae) on Drosophila suzukii (Diptera: Drosophilidae) and seed-feeding pests (Hemiptera: Lygaeidae, Miridae, Rhyparochromidae). The Canadian Entomologist, 152(4): 575-586. doi:10.4039/tce.2020.34.
  • Hodgdon, E.A., Hallett, R.H., Wallin, K.F., Stratton, C.A., and Y. H. Chen. 2019. Racemic pheromone blends disrupt mate location in the invasive swede midge (Contarinia nasturtii).  Journal of Chemical Ecology, 45:549–558
  • Liu, J., Mori, B.A., Olfert, O., and R. H. Hallett. 2019. Determining temperature-dependent development and mortality parameters of the swede midge (Contarinia nasturtii) (Diptera: Cecidomyiidae). Journal of Economic Entomology, 112(4): 1665–1675, 10.1093/jee/toz095.
  • Hodgdon, E.A., Hallett, R.H., Stratton, C.A., and Y. H. Chen. 2019. Diel patterns of emergence and reproductive behaviour in the invasive swede midge (Diptera: Cecidomyiidae). Published online: 18 June 2019. The Canadian Entomologist, 151: 510–520, doi:10.4039/tce.2019.21.
  • Des Marteaux L.E. and R. H. Hallett. 2019. Swede midge (Diptera: Cecidomyiidae) diapause initiation under stable conditions: not a family affair.  Published online: 07 June 2019. The Canadian Entomologist, 151: 465–474, doi:10.4039/tce.2019.33.
  • Saad, K.A., Ghani, I., Roff, M.N., Hallett, R.H. and I.B. Abd-Ghani. 2019. Effects of cucumber mosaic virus-infected chilli plants on non-vector Bemisia tabaci (Hemiptera: Aleyrodidae). Early View, Sep 20, 2017: DOI 10.1111/1744-7917.12488. Insect Science, 26:76-85.
  • Sharifi-Far, S., Shapiro-Ilan, D.I., Brownbridge, M., and R.H. Hallett. 2018. The combined approach of strain discovery and the inbred line technique for improving control of Delia radicum with Heterorhabditis bacteriophora. Biological Control, 118:37-43.
  • Andreassen, L., Soroka, J., Grenkow, L., Olfert, O., and R.H. Hallett. 2018. Midge (Diptera: Cecidomyiidae) injury to Brassicaceae in field trials in northeastern Saskatchewan, Canada. Published online: 02 May 2018. The Canadian Entomologist, 150: 637-651.
  • Williams, J.L. and R.H. Hallett. 2018. Oviposition preference, larval distribution and impact of the swede midge, Contarinia nasturtii (Diptera: Cecidomyiidae), on growth and yield of canola. Online First Article, 8 December 2017. DOI 10.1007/ s10340-017-0940-2. Journal of Pest Science, 91: 551-563.
  • Hallett, R.H. 2017. The challenge of swede midge management in canola. Chapter 3, Gadi V.P. Reddy (ed.),  Integrated Management of Insect Pests on Canola and Other Brassica Oilseed Crops, CAB International, Boston, MA. pp.44-67. ISBN-13:978-1-78064-820-0.
  • Renkema, J.M., Buitenhuis, R., and R.H. Hallett. 2017. Reduced Drosophila suzukii infestation in berries using deterrent compounds and laminate polymer flakes. Insects, 8(4): 117;
  • Frewin, A.J., Renkema, J., Fraser, H., and R.H. Hallett. 2017. Evaluation of attractants for monitoring Drosophila suzukii (Diptera: Drosophilidae).  Journal of Economic Entomology, 110: 1156-1163. 
  • Weintraub, P.G., Scheffer, S., Visser, D., Valladares, G., Soares Correa, A., Shepard, M.B., Rauf, A., Murphy, S.T., Mujica, N., MacVein, C., Kruger, K., Kroschel, J., Kishinevsky, M., Joshi, R.C., Johansen, N.S., Hallett, R.H., Civelek, H.S., Chen, B., Blanco Metzler, H. 2017. The invasive Liriomyza huidobrensis (Diptera:  Agromyzidae):  Understanding its pest status and management globally. doi: 10.1093/jisesa/iew121. Published 18 Feb 2017. Journal of Insect Science, 17:1–27.
  • Berzitis, E.A., Hager, H.A., Sinclair, B.J., Hallett, R.H. and J.A. Newman. 2017. Winter warming effects on overwinter survival, energy use, and spring emergence of Cerotoma trifurcata (Coleoptera: Chrysomelidae). Agricultural & Forest Entomology, 19: 163-170.


  • G.P. McRostie Faculty Award (for outstanding advising and mentoring), OAC Alumni Foundation. September 21, 2011.

Research Area

integrated pest management, biological control, invasive insect species, insect-plant interactions, insect population dynamics


Area of Research

Plant and Environmental Health