PUBLICATIONS
Asterisk indicates graduate student or postdoctoral fellow
JOURNAL ARTICLES
2025
Mally, R., R.M. Turner, H.F. Nahrung, T. Yamanaka, G. Fenn-Moltu, C. Bertelsmeier, A. Roques, E.G. Brockerhoff, D.S. Pureswaran, A.M. Liebhold. 2025. NeoBiota. https://doi.org/10.3897/neobiota.99.151227.
D.S. Pureswaran and Jeff Garnas. 2025. Threat of red pine scale, Matsucoccus matsumurae (Kuwana) to the Midwestern United States and Canada. Plant Health Cases. https://doi.org/10.1079/planthealthcases.2025.0005.
2024
Mech, A., A.M. Liebhold, J. Trombik, C. Bjorkman, K.J.K. Gandhi, P. Lyytikainene-Saarenmaa, D.S. Pureswaran, J. Synek and M. Klapwijk. 2024. Island biogeography theory and the assembly patterns of native versus non-native forest insects. Oikos. doi: 10.1111/oik.10768.
*Bellemin-Noel, B., D.S. Pureswaran and E. Despland. 2024. Host plant phenology drives risky larval dispersal in an outbreaking insect defoliator. Ecological Entomology. doi: 10.1111/een.13409.
*Caouette, A.P., C.E. Routledge, S.B. Heard and D.S. Pureswaran. 2024. No evidence for pronounced mate-finding Allee effects in the emerald ash borer (Agrilus planipennis Fairmaire). NeoBiota. doi: 10.3897/neobiota.95.127287.
Liebhold, A.M., R.M. Turner, C.R. Bartlett, C. Bertelsmeier, R.E. Blake, E.G. Brockerhoff, C.E. Causton, J.N. Matsunaga, S.H. McKamey, H.F. Nahrung, C.L. Owen, D.S. Pureswaran, A. Roques, S.A. Schneider, A.F. Sanborn and T. Yamanaka. 2024. Why so many Hemiptera invasions? Diversity and Distributions. http://doi.org/10.1111/ddi.13911.
Pureswaran, D.S., R. Isitt and D.P.W. Huber. 2024. An enhanced lure for eastern populations of the North American spruce beetle, Dendroctonus rufipennis Kirby. Journal of Economic Entomology. DOI: 10.1093/jee/toae125.
*Isitt, R., A.M. Liebhold, R. Turner, A. Battisti, C. Bertelsmeier, R.E. Blake, E.G. Brockerhoff, S.B. Heard, P. Krokene, B. Okland, H. Nahrung, D. Rassati, A. Roques, T. Yamanaka and D.S. Pureswaran. 2024. Asymmetrical insect invasions between three world regions. NeoBiota. 90: 35-51. doi: 10.3897/neobiota.90.110942.
Yamanaka, T., R. Turner, C. Bertelsmeier, R. Blake, E. Brockerhoff, H. Nahrung, D.S. Pureswaran, A. Roques, H. Seebens, and A. Liebhold. 2024. Commodity imports and climatic filtering drive compositional variation in non-native insect establishments. Diversity and Distributions. DOI: 10.1111/ddi.13844.
2023
*Isitt, R., B. Økland, P. Krokene, J. Sweeney, S.B. Heard and D.S. Pureswaran. 2023. Successful colonization of novel spruce hosts by European and North American spruce bark beetles can favor trans-Atlantic range expansion. Forestry. https://doi.org/10.1093/forestry/cpad015
*Fenn-Moltu, G., S. Ollier, O. Bates, A.M. Liebhold, H.F. Nahrung, D.S. Pureswaran, T. Yamanaka, C. Bertelsmeier. 2023. Global flows of insect transport and establishment: the role of biogeography, trade and regulations. Diversity and Distributions. 29: 1478-1491. DOI: 10.1111/ddi.13772.
2022
De Grandpré, L., M. Marchand, D. Kneeshaw, D. Paré, D. Boucher, S. Bourassa, D. Gervais, M. Simard, J.M. Griffin and D.S. Pureswaran. 2022. Defoliation-induced changes in foliage quality trigger broad-scale insect outbreaks. Communications Biology. An open access journal from the Nature family of journals. https://doi.org/10.1038/s42003-022-03407.
*Isitt, R., B. Økland, P. Krokene, J. Sweeney, S.B. Heard and D.S. Pureswaran. 2022. Using semiochemicals to predict biotic resistance and facilitation of introduced species. Biological Invasions. 1-14.
*Anderson, J., S. Heard, J. Sweeney and D.S. Pureswaran. 2022. Mate choice errors may contribute to slow spread of an invasive Eurasian longhorn beetle in North America. NeoBiota. 71: 71-89.
*Mally, R., R. Turner, R. Blake, #G. Fenn-Moltu, C. Bertelsmeier, E.G. Brockerhoff, R.J.B. Hoare, H.F. Nahrung, A. Roques, D.S. Pureswaran, T. Yamanaka and A.M. Liebhold. 2022. Moths and butterflies on alien shores – Global biogeography of non-native Lepidoptera. Journal of Biogeography. 49: 1455-1468.
*Fenn-Moltu, G., S. Ollier, B. Caton, A. Liebhold, H. Nahrung, D.S. Pureswaran, R. Turner, T. Yamanaka, and C. Bertelsmeier. 2022. Alien insect dispersal mediated by the global movement of commodities. Ecological Applications. DOI: 10.1002/eap.2721.
2021
Liebhold, A.M., R. Turner, R. Blake, C. Bertelsmeier, E. Brockerhoff, H.F. Nahrung, D.S. Pureswaran, A. Roques, H. Seebens and Takehiko Yamanaka. 2021. Invasion disharmony in the global biogeography of native and non-native beetle species. Diversity and Distributions. 27: 2050-2062.
*Bellemin-Noel, B., S. Bourassa, E. Despland, L. De Grandpré and D.S. Pureswaran. 2021. Improved performance of the eastern spruce budworm on black spruce as warming temperatures disrupt phenological defenses. Global Change Biology. 27: 3358-3366.
*Turner, R., E. Brockerhoff, C. Bertelsmeier, R. Blake, B. Caton, A. James, A. MacLeod, H.F. Nahrung, S. Pawson, M.J. Plank, D.S. Pureswaran, H. Seebens, T. Yamanaka, A.M. Liebhold. 2021. Worldwide border interceptions provide a window into human-mediated global insect movement. Ecological Applications. 31: e02412.
Sullivan, B.T., A., R. Hofstetter, D.S. Pureswaran, C. Brownie, D. Cluck, W. Woodruff, T. Coleman, D. Ryerson, A. Graves, B. Willhite, L. Spiegel, D. Scarbrough, A. Orlemann, C. Engel, G. Zúñiga. 2021. Evidence for semiochemical divergence between sibling bark beetles Dendroctonus brevicomis and Dendroctonus barberi. Journal of Chemical Ecology. 47: 10-27.
2020
*Isitt, R., K. Bleiker, D.S. Pureswaran, K. Hillier and D. Huber. 2020. Local, geographical, and contextual variation in the aggregation pheromone blend of the spruce beetle, Dendroctonus rufipennis (Coleoptera: Curculionidae). Journal of Chemical Ecology. 46: 497-507.
*Feuntealba, A., *S. Sagne, *G. Legendre, D.S. Pureswaran, E. Bauce and E. Despland. 2020. Leaf toughness as a mechanism of defense against spruce budworm. Arthropod-Plant Interactions. 14: 481-489.
*Correia D.L.P., W. Bouachir, #D. Gervais, D.S. Pureswaran, D. Kneeshaw and L. De Grandpré. 2020. Leveraging artificial intelligence for large-scale plant phenology studies from noisy time-lapse images. IEEE Access. 8: 13151-13160.
Seidl, Rupert, J. Honkaniemi, T. Aakala, A. Aleinikov, P. Angelstam, M. Bouchard, Y. Boulanger, P. Burton, L. De Grandpré, S. Gauthier, W. Hansen, J. Jepsen, K. Jõgiste, D. Kneeshaw, T. Kuuluvainen, O. Lisitsyna, M. Kobayashi, A. Mori, D.S. Pureswaran, E. Shorohova, E. Shubnitsina, A. Taylor, N. Vladimirova, F. Vodde, and C. Senf. 2020. Globally consistent climate sensitivity of natural disturbances in extratropical forest ecosystems. Ecography. 7: 967-978.
2019
*MacDonnell M., *S. Edwards, S.B. Heard, D.S. Pureswaran, R.C. Johns. 2019. Interguild interactions between a non-native phloem feeder and a native outbreaking defoliator. Ecological Entomology. 45: 697-708.
Johns, R., J.J. Bowden, D.R. Carleton, B.J. Cooke, S. Edwards, E.J.S. Emilson, P.M.A. James, D. Kneeshaw, D.A. Maclean, V. Martel, E. Moise, G.D. Mott, C.J. Norfolk, E. Owens, D.S. Pureswaran, D. Quiring, J. Regniere, B. Richard, M. Stastny. 2019. A conceptual framework for spruce budworm early intervention strategy: Can outbreaks be stopped? Forests. 10: 910.
Carleton D, E. Owens, H. Blaquiere, S. Bourassa, J. Bowden, J-N. Candau, I. De Merchant, *S. Edwards, *A. Heustis, PMA James, A. Kanoti, C. MacQuarrie, V. Martel, E. Moise, D.S. Pureswaran, E. Shanks, R. Johns. 2019. Tracking insect outbreaks: A case study of community-assisted moth monitoring using sex pheromone traps. FACETS. 5: 91-104.
2018
De Grandpré, L., D.S. Pureswaran, M. Bouchard and D. Kneeshaw. 2018. Climate-induced range shifts in boreal forest pests: ecological, economic and social consequences. Canadian Journal of Forest Research. 48: v-vi.
Pureswaran, D.S., A. Roques and A. Battisti. 2018. Forest insects and climate change. Current Forestry Reports. 10.1007/s40725-018-0075-6.
*Isitt, R., K. Bleiker, D.S. Pureswaran, N. Hillier, and D. Huber. 2018. The effect of feeding and mate presence on the pheromone production of the spruce beetle, Dendroctonus rufipennis (Coleoptera: Curculionidae). Environmental Entomology. doi: 10.1093/ee/nvy092.
De Grandpré, L., D. Kneeshaw, S. Perigon, D. Boucher, M. Marchand, D.S. Pureswaran, and M. Girardin. 2018. Adverse climatic periods precede and amplify defoliator-induced tree mortality in eastern boreal North America. Journal of Ecology. DOI: 10.1111/1365-2745.13012.
Pureswaran, D.S., *M. Neau, M. Marchand, L. De Grandpré, and D. Kneeshaw. 2018. Phenological synchrony between spruce budworm and its host trees increases with temperature in warm microclimates in the boreal forest. Ecology and Evolution. DOI: 10.1002/ece3.4779.
2017
Boulanger, Y., F. Fabry, A. Kilambi, D.S. Pureswaran, B. Sturtevant and R. St-Amant. 2017. The use of weather surveillance radar and high-resolution three dimensional weather data to monitor a spruce budworm mass exodus flight. Agricultural and Forest Meteorology. 234-235: 127-135.
*Bognounou, F., L. De Grandpré, D.S. Pureswaran, and D. Kneeshaw. 2017. Temporal variation in plant neighborhood effects on the defoliation of primary and secondary hosts by an insect pest. Ecosphere 8(3):e01759. 10.1002/ecs2.1759.
*Fuentealba, A., D.S. Pureswaran, E. Bauce and E. Despland. 2017. How does synchrony with host plant affect the performance of an outbreaking insect defoliator? Oecologia.184: 847-857.
*Mlynarek, J.J., *C.E. Moffat, S.E. Edwards, *A.L. Einfeldt, *A. Heustis, R. Johns, M. MacDonnell, D.S. Pureswaran, D.T. Quiring, Z. Shibel and S.B. Heard. 2017. Enemy escape: A general phenomenon in a fragmented literature? FACETS. DOI https://doi.org/10.1139/facets-2017-0041
*Fuentealba A., *S. Sagne, D.S. Pureswaran, É. Bauceand E. Despland. 2017. Defining the window of opportunity for feeding initiation by second instar spruce budworm larvae. Canadian Journal of Forest Research. 48: 285-291. https://doi.org/10.1139/cjfr-2017-0133
*Heustis, A., E. Moise, R. Johns, D.S. Pureswaran and S. Heard. 2017. Impact of an invasive longhorned beetle, Tetropium fuscum (Coleoptera: Cerambycidae), on community structure of subcortical wood-associated insects. Environmental Entomology. 47: 39-41.
2016
Pureswaran D.S., R.W. Hofstetter, B.T. Sullivan and *K. Potter. 2016. The role of multimodal signals in species recognition between tree-killing bark beetles (Coleoptera: Curculionidae: Scolytinae) in a narrow sympatric zone. Environmental Entomology. 45: 582-591.
Pureswaran D.S., R.W. Hofstetter, B.T. Sullivan and A. Grady. 2016. Western pine beetle populations in Arizona and California differ in their aggregation pheromone composition. Journal of Chemical Ecology. 42: 404-413.
*Dearborn, K.W., S.B. Heard, J. Sweeney and D. S. Pureswaran. 2016. Displacement of Tetropium cinnamopterum (Kirby) (Coleoptera: Cerambycidae) by its invasive congener, the brown spruce longhorn beetle, Tetropium fuscum (Fabricius). Environmental Entomology. 45: 848-854. doi: 10.1093/ee/nvw045.
Pureswaran D.S., R. Johns, S.B. Heard and D. Quiring. 2016. Paradigms in spruce budworm population ecology: A century of debate. Environmental Entomology. 45: 1333-1342. https://doi.org/10.1093/ee/nvw103
2015
Pureswaran D.S, L. De Grandpré, D. Paré, A. Taylor, M. Barrette, H. Morin, J. Régnière, D. Kneeshaw. 2015. Climate-induced changes in host tree-insect phenology may drive ecological state-shift in boreal forest. Ecology. 96: 1480-1491.
Poland T.M., Y. Chen, J. Koch and D.S. Pureswaran. 2015. Review of emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae), life history, mating behaviors, and host plant selection. The Canadian Entomologist. 147: 252-262.
2014
*Quezada Garcia R., D.S. Pureswaran and É. Bauce. 2014. Nutritional stress causes male-biased sex ratios in the spruce budworm (Choristoneura fumiferana Clem.). The Canadian Entomologist. 146: 219-223.
2013
Régnière J., J. Delisle, D.S. Pureswaran and R. Trudel. 2013. Mate-finding Allee effect in eastern spruce budworm population dynamics. Entomologia Experimentalis et Applicata. 146: 112-122.
*Flaherty L., D. Quiring, D.S. Pureswaran and J. Sweeney. 2013. Preference of an exotic wood-borer for stressed trees is more attributable to pre-alighting than post-alighting behaviour. Ecological Entomology. 38: 546-552.
*Flaherty L., D. Quiring, D.S. Pureswaran and J. Sweeney. 2013. Evaluating seasonal variation in bottom-up and top-down forces and their impact on an exotic wood borer, Tetropium fuscum (Coleoptera: Cerambycidae). Environmental Entomology. 42: 957-966.
2012
Pureswaran D.S. and B.T. Sullivan. 2012. Semiochemical emission from individual galleries of the southern pine beetle, Dendroctonus frontalis Zimmermann (Coleoptera: Curculionidae: Scolytinae), attacking standing trees. Journal of Economic Entomology. 105: 140-148.
2011
*Flaherty L., J. Sweeney, D.S. Pureswaran and D. Quiring. 2011. Influence of host tree condition on the performance of an exotic spruce longhorn beetle, Tetropium fuscum (Coleoptera: Cerambycidae). Environmental Entomology. 40: 1200-1209.
2006 to 2009 – Deepa’s postdoctoral research
Pureswaran D.S. and T.M. Poland. 2009. The role of olfaction in short-range mate finding by the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae). Journal of Insect Behavior. 22: 205-216.
Poland T.M., D.S. Pureswaran, T.M. Kuhn and J.H. Borden. 2009. 1-Octen-3-ol is repellent to Ips pini (Say) (Coleoptera: Curculionidae: Scolytinae) in the mid-western United States. The Canadian Entomologist. 141: 158-160.
Pureswaran D.S. and T.M. Poland. 2009. Host selection and feeding preference of the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae) on ash (Fraxinus spp.). Environmental Entomology. 38: 757-765.
Pureswaran D.S. and T.M. Poland. 2009. Effects of visual silhouette, leaf size and host species on feeding preference by adult emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae). The Great Lakes Entomologist. 42: 62-71.
Pureswaran D.S., B.T. Sullivan and M.P. Ayres. 2008. High individual variation in pheromone production by tree-killing bark beetles (Coleoptera: Curculionidae: Scolytinae). Naturwissenschaften. 95: 33-44.
Pureswaran D.S., R.W. Hofstetter and B.T. Sullivan. 2008. Attraction of the southern pine beetle, Dendroctonus frontalis to pheromones of the western pine beetle, Dendroctonus brevicomis (Coleoptera: Curculionidae: Scolytinae) in an allopatric zone. Environmental Entomology. 37: 70-78.
Borden J.H., D.S. Pureswaran and J.P. Lafontaine. 2008.Synergistic blends of monoterpenes for aggregation pheromones of the mountain pine beetle, Dendroctonus ponderosae (Coleoptera: Curculionidae). Journal of Economic Entomology. 101: 1266-1275.
Poland T.M., T.M. Kuhn, D.S. Pureswaran and A. Diss-Torrance. 2008. Evaluating the use of plastic bags to prevent escape of the emerald ash borer, Agrilus planipennis (Coleoptera: Buprestidae) from firewood(Coleoptera: Buprestidae). The Great Lakes Entomologist. 41: 40-48.
Sullivan B.T., W.P. Shepherd, D.S. Pureswaran and K. Mori. 2007. Evidence that (+)-endo-brevicomin is a male produced aggregation pheromone component of the southern pine beetle, Dendroctonus frontalis. Journal of Chemical Ecology. 33: 1510-1527.
Pureswaran D.S., B.T. Sullivan and M.P. Ayres. 2006. Fitness consequences of host selection and pheromone production strategies in a tree-killing bark beetle (Coleoptera: Curculionidae: Scolytinae). Oecologia. 148: 720-728.
2000 to 2005 – Deepa’s MSc and PhD research
Pureswaran D.S. and J.H. Borden. 2005. Primary attraction and kairomonal host discrimination in three species of Dendroctonus (Coleoptera: Scolytidae). Agricultural and Forest Entomology. 7: 219-230.
Pureswaran D.S., R. Gries and J.H. Borden. 2004. Antennal responses of four species of tree-killing bark beetles (Coleoptera: Scolytidae) to volatiles collected from beetles and their host and nonhost conifers. Chemoecology. 14: 59-66.
Pureswaran D.S. and J.H. Borden. 2004. New repellent semiochemicals for three species of Dendroctonus (Coleoptera: Scolytidae). Chemoecology. 14: 67-75.
Pureswaran D.S., R. Gries and J.H. Borden. 2004. Quantitative variation in monoterpenes in four species of conifers. Biochemical Systematics and Ecology. 32: 1109-1136.
Borden J.H., D.S. Pureswaran and L.M. Poirier. 2004. Evaluation of two repellent semiochemicals for disruption of attack by the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae). Journal of the Entomological Society of British Columbia. 101: 37-43.
Pureswaran D.S. and J.H. Borden. 2003. Test of semiochemical mediated host specificity in four species of tree killing bark beetles (Coleoptera: Scolytidae). Environmental Entomology. 32: 963-969.
Pureswaran D.S. and J.H. Borden. 2003. Is bigger better? Size and pheromone production in the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae). Journal of Insect Behavior. 16: 765-782.
Pureswaran D.S., R. Gries, J.H. Borden and H.D. Pierce, Jr. 2000. Dynamics of pheromone production and communication in the mountain pine beetle, Dendroctonus ponderosae Hopkins, and the pine engraver, Ips pini (Say) (Coleoptera: Scolytidae). Chemoecology. 10: 153-168.
BOOK CHAPTERS
Pureswaran, D.S., N. Meurisse, D. Rassati, A.M. Liebhold and M. Faccoli. 2022. Climate change and invasions by non-native bark and ambrosia beetles. In: Bark beetle management, ecology and climate change. Eds. K. Gandhi and R. Hofstetter. Elsevier.
Pureswaran, D.S., A. Maran and S. Pellini. 2020. Insect Communities. 2021. Climate change: Observed impacts on planet earth. Third Edition. Ed. T.M. Letcher. Elsevier.
Bentz, B., E. Bonello, H. Delb, C. Fettig, T. Poland, D. S. Pureswaran and S. Seybold. 2019. A review of advances in understanding and managing insect pests of forest trees. In: Achieving sustainable forestry. Vol. 1: Boreal and temperate forests. Ed. J. Stanturf. Burleigh-Dodds Science Publishing.
Kneeshaw, D., B.R. Strutevant, B. Cooke, T. Work, D.S. Pureswaran, L. De Grandpré and D. MacLean. 2015. Insect disturbances in forest ecosystems. In: Routledge Handbook of Forest Ecology. Eds. K. Peh, R. Corlett and Y. Bergeron. 672 pp..
Sambaraju, K., P. DesRochers, D. Rioux, Y. Boulanger,N. Kulkarni, R.K. Verma, M. Pautasso, D.S. Pureswaran, V. Martel, C. Hébert, M. Cusson, J. Delisle. 2015. Forest Ecosystem Health and Biotic Disturbances: Perspectives on Indicators and Management Approaches. In: Handbook of Forest Health. Ed. G. Larocque. CRC Press.