Rob Bourchier, Ph. D.
Insect Ecology and Biological Control
Current research and/or projects
Characterization of invasive pests and exotic biological control agents (Collaborator) 2019-2022
Assessing the range potential of Invasive Alien Species and associated herbivores under climate change with geospatial models of biological collections data (Collaborator) 2018-2021
Enhancing Biological Control of Invasive Plants in British Columbia Biocontrol. CO-PI - 2018-2023.
Potential Insect Biological Control for Invasive Alien Plants in Ontario . CO-PI 2011-2020.
Research and/or project statements
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Host-plant insect interactions.
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Population dynamics of biological control agents and their hosts.
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Invasive species/biocontrol agents – impact, habitat and climate modelling
Professional activities / interests
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Implementation of operational biocontrol for invasive plants in Canada.
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Ecology and impact of established weed biocontrol agents
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Development of new biological control agents for invasive plants in Canada
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Student training
Education and awards
PhD, Biology/Ecology, University of Waterloo
MSc, Entomology, McGill University
BA, Economics, Carleton University
C. Gordon Hewitt Award (2001), presented by the Entomological Society of Canada (ESC)
Federal Government 5-NR Science Award for Leaders in Sustainable Development with R. De Clerck-Floate for Weed Biocontrol Research 2001
International experience and/or work
Canadian lead for collaborative international projects developing new biological control agents for invasive plants, including knotweeds, phragmites, garlic mustard and swallowworts.
Key publications
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Keever, C.C., Gültekin, L., Bourchier, R.S., Myers, J.H., Cory, J.S. (2021). Post-release genetic assessment of two congeneric weed biological control agents. Biological Control, [online] 152 http://dx.doi.org/10.1016/j.biocontrol.2020.104462
2021 - View publication details
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Dickinson, R.B., Bourchier, R.S., Fulthorpe, R.R., Shen, S.Y., Jones, I.M., Smith, S.M. (2021). Fungal endophytes increase biomass production in pale swallow-wort (Vincetoxicum rossicum (kleopow) barbar.). Botany, [online] 99(6), 337-353. http://dx.doi.org/10.1139/cjb-2020-0181
2021 - View publication details
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Livingstone, S.W., Smith, S.M., Bourchier, R.S., Ryan, K., Roberto, A., Cadotte, M.W. (2020). An experimental application of Hypena opulenta as a biocontrol agent for the invasive vine Vincetoxicum rossicum. Ecological Solutions and Evidence, [online] 1(2), http://dx.doi.org/10.1002/2688-8319.12022
2020 - View publication details
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Ensing, D.J., R. Bourchier, R. De Clerck-Floate, T.D. Nelson, V. Miller, S. Turner, C.E. Moffat. 2020. Classical biological control leads to long term declines in the rangeland invasive spotted knapweed. Entomological Society of America (virtual), 16-19 November, 2020.
2020 - View publication details
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Ensing, D.J., T.D. Nelson, R. Bourchier, R. De Clerck-Floate, V. Miller, S. Turner, C.E. Moffat. 2020. Contemporary ecology of historical weed biological control programs: Re-evaluating spotted knapweed biocontrol in BC. Entomological Society of British Columbia (virtual), 26-28 October, 2020.
2020 - View publication details
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Jones, I.M., Smith, S.M., Bourchier, R.S. (2020). Establishment of the biological control agent Aphalara itadori is limited by native predators and foliage age. Journal of Applied Entomology, [online] 144(8), 710-718. http://dx.doi.org/10.1111/jen.12792
2020 - View publication details
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Fung, C., González-Moreno, P., Pratt, C., Oliver, T.H., Bourchier, R.S., González-Suárez, M. (2020). Effect of humidity and temperature on the performance of three strains of Aphalara itadori, a biocontrol agent for Japanese Knotweed. Biological Control, [online] 146 http://dx.doi.org/10.1016/j.biocontrol.2020.104269
2020 - View publication details
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Jones, I.M., Seehausen, M.L., Bourchier, R.S., Smith, S.M. (2020). The Effects of Photoperiod on Diapause Induction in Hypena opulenta (Lepidoptera: Erebidae), a Biological Control Agent Against Invasive Swallow-Worts in North America, 49(3), 580-585. http://dx.doi.org/10.1093/ee/nvaa030
2020 - View publication details
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deJonge, R.B., Jones, I.M., Bourchier, R.S., Smith, S.M. (2020). Interpreting host-test results for classical biological control candidates: Can the study of native congeners improve the process?. Biological Control, [online] 145 http://dx.doi.org/10.1016/j.biocontrol.2020.104237
2020 - View publication details
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Blossey, B., Endriss, S.B., Casagrande, R., Häfliger, P., Hinz, H., Dávalos, A., Brown-Lima, C., Tewksbury, L., Bourchier, R.S. (2020). When misconceptions impede best practices: evidence supports biological control of invasive Phragmites. Biological Invasions, [online] 22(3), 873-883. http://dx.doi.org/10.1007/s10530-019-02166-8
2020 - View publication details
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Bourchier, R.S., Cappuccino, N., Rochette, A., des Rivières, J., Smith, S.M., Tewksbury, L., Casagrande, R. (2019). Establishment of Hypena opulenta (Lepidoptera: Erebidae) on Vincetoxicum rossicum in Ontario, Canada. Biocontrol Science and Technology, [online] 29(9), 917-923. http://dx.doi.org/10.1080/09583157.2019.1608511
2019 - View publication details
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deJonge RB, RS Bourchier, and SM Smith. 2017. Initial Response by a Native Beetle, Chrysochus auratus (Coleoptera: Chrysomelidae), to a Novel Introduced Host-Plant, Vincetoxicum rossicum (Gentianales: Apocynaceae). Environmental Entomology, 46(3), 2017, 617–625
2017 - View publication details
doi: 10.1093/ee/nvx072
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Mason PG, De Clerck-Floate RA, Gallant B, Gillespie DR, Floate K, Bourchier R, Douglas H, Vincent C, Boivin G (2017) Guide for the Importation and Release of Arthropod Biological Control Agents in Canada. Agriculture and Agri-Food Canada A42-122/2017E.
2017 - View publication details
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Floate, K.D., P. Coghlin, B. Dunlop, D. Ostrander, L. Lesage and R. Bourchier. 2016. Assessment of the diversity of Aphthona flea beetles for biological control of leafy spurge on the prairies. XXV International Congress of Entomology. Orlando, FL, September 25-30. doi: 10.1603/ICE.2016.111113 [poster]
2016 - View publication details
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Andersen, J.C., Bourchier, R.S., Grevstad, F.S., Van Driesche, R., Mills, N.J. (2016). Development and verification of SNP arrays to monitor hybridization between two host-associated strains of knotweed psyllid, Aphalara itadori. Biological Control, [online] 93 49-55. http://dx.doi.org/10.1016/j.biocontrol.2015.11.007
2016 - View publication details
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Smith, S.M. and Bourchier, R.S. (2015). "Biological Control of Invasive Plants in Ontario.", Invited Presentation Ontario Biodiversity Summit, Niagara Falls, ON, Canada, May 19-22, 2015. (Presentation)
2015 - View publication details
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Bourchier, R.S. and Smith, S.M. (2015). "Biological Control of Phragmites.", Invited Presentation Ontario Invasive Plant Council Invasive Phragmites in Ontario and What Lies Ahead, Ottawa, Canada, April 29, 2015. (Presentation)
2015 - View publication details
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Bourchier, R.S., Van Hezewijk, B.H., Grevstad, F., and Gaskin, J.F. (2015). "Release of the biological control agent, Aphalara itadori for knotweed in Canada and performance on knotweed genotypes.", 2015 Entomological Society of Canada, Montréal, QC, Canada, November 8-11, 2015.
2015 - View publication details
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Bourchier, R.S. and Smith, S.M. (2015). "Biological Control of Dog Strangling Vine.", Invited presentation at York Region Forest Conservation Team Newmarket Ont., July 22, 2015. (Presentation)
2015 - View publication details
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Bourchier, R.S. (2015). "From sleeping thistles to strangled canines: urban myths and misconceptions about classical weed biocontrol.", Invited lecture at University of Lethbridge 4th year Seminar Course. (Presentation)
2015 - View publication details
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Contact
Research facility
Affiliations
Adjunct Professor - Forestry, Faculty of Architecture, Landscape and Design. University of Toronto