Mercer, N., J. Obrycki, and R. Bessin. 2021. Altering Planting Date to Manage Melanaphis sacchari (Hemiptera: Aphididae) Populations in Sweet Sorghum. Journal of Economic Entomology, January 2021. https://doi.org/10.1093/jee/toaa306


Ünlü, A, J. Obrycki, and R. Bucher. 2020. Comparison of native and non‐native predator consumption rates and prey avoidance behavior in North America and Europe. Ecology and Evolution, Volume 10, Issue 23, December 2020, Pages 13334-13344. https://doi.org/10.1002/ece3.6932

Obrycki, J. 2020. Comparative Studies of Reproductive Diapause in North American Populations of Three Hippodamia Species (Coleoptera: Coccinellidae). Environmental Entomology, Volume 49, Issue 5, October 2020, Pages 1164–1170. https://doi.org/10.1093/ee/nvaa100

Mercer, N., R. Bessin, and J. Obrycki. 2020. Parasitization of the sugarcane aphid, Melanaphis sacchari, by commercially available aphid parasitoids. Biocontrol, September 2020. PDF

Mercer, N.N. TeetsR. Bessin, and J. Obrycki. 2020. Supplemental Foods Affect Energetic Reserves, Survival, and Spring Reproduction in Overwintering Adult Hippodamia convergens (Coleoptera: Coccinellidae). Environmental Entomology, Volume 49, Issue 1, February 2020, Pages 1–9. PDF

Sethuraman, A., F.J. Janzen, D.W. Weisrock, and J.J. Obrycki. 2020. Insights from Population Genomics to Enhance and Sustain Biological Control of Insect Pests. Insects, 11, 462. https://doi.org/10.3390/insects11080462


Grenier, C, B. Summerhays, R. Cartmill, T. Martinez, R. Saisho, A. Rothenberg, J. Scott, J. Obrycki, and A. Sethuraman. 2019. Lack of phenotypic variation in larval utilization of pea aphids in populations of the ladybeetle Hippodamia convergens. Biological Control, Volume 155, April 2021.