• Ecological Association of America
• Entomological Association of America

• Population ecology
• Pollination ecology
• Landscape ecology 

I am interested in how organisms’ environments and own natural histories come together to support or limit their populations.

Reilly, J, I Bartomeus, DT Simpson, A Allen-Perkins, L Garibaldi, R Winfree. 2024. Wild insects and honey bees are equally important to crop yields in a global analysis. Global Ecology and Biogeography.

Smith, C, J Bonachela, DT Simpson, N. Lemanski, R Winfree. 2024. Geometric effects of fragmentation are likely to mitigate diversity loss following habitat destruction in real-world landscapes. Global Ecology and Biogeography.

Simpson, DT, L Weinman, M Genung, M Roswell, M Teague, and R Winfree. 2022. Many bee species, including rare species, are important for function of entire plant-pollinator networks. Proceedings of the Royal Society B 289: 20212689.

Aldercotte, AH, DT Simpson, R Winfree. 2022. Crop visitation by wild bees declines over an eight-year time series - a dramatic trend, or just dramatic between-year variation? Insect Conservation and Diversity. .