Publications

Halsch, C.A.,... Wagner, D.L. (2026) Drivers of Insect Decline: Direct, Indirect, and Interacting Pressures. Annals of the Entomological Society of America: In press

Ware, J.L.,... Halsch, C.A.,... Grames, E.M. (2026) Insects and Quality of Human Life. Annals of the Entomological Society of America: In press

Grames, E.M.,... Halsch, C.A.,... Ware, J.L. (2026) Insects’ Contributions to People: The role insects play in supporting and regulating ecosystem functions and provisioning ecosystem services. Annals of the Entomological Society of America: In press

Bahlai, C.A.,... Halsch, C.A.,... Grames, E.M. (2026) Future Pathways: Projecting insect responses to global change. Annals of the Entomological Society of America: In press

Halsch, C.A., Forister, M.L., Grames, E.M. (2026) Dispersal mediates metapopulation response to local and regional stressors. Insect Conservation and Diversity: Early view [pdf]

Cushman, J.H., Macdonald, J.A.,Halsch, C.A., Refsland, T.K., Steed, B.E., Dilts, T.E. (2026) Decadal drivers of quaking aspen decline in the western United States. Journal of Ecology 114(6):e70367 [pdf]

Halsch, C.A., Nice, C.C., Bell, K.L., Fordyce, J.A., Forister, M.L., Garcia-Costoya, G., Shapiro, A.M., Grames, E.M. (2026) Allochronic isolation between sympatric populations of an alpine butterfly. Evolution 80(5):1102-1110 [pdf]

Foster, E.M., Dombroskie, J.J., Halsch, C.A., Powell, T.H.Q., Grames, E.M. (2026) Phenological shifts and increases in voltinism within a moth community over a century of anthropogenic change. Ecology 107:e70328 [pdf]

Reis, G.A., Forister, M.L., Halsch, C.A., Dittemore, C.M., Shapiro, A.M., Gompert, Z. (2026) Temporal occupancy distributions reveal diverse responses to climatic variation in montane butterflies. Ecology 107:e70297 [pdf]

Christensen, T., Halsch, C.A., Dyer, L. Smilanich, A.M., Shapiro, A.M., Forister, M.L. (2025) Specialized flower visitation in montane butterflies is associated with positive population trajectories over time. Ecology 106:e70236. [pdf]

Dittemore, C.M., Anderson, A., Code, A., Lenard, A., Douglas, M.R., Halsch, C.A., Forister, M.L. (2025) Pesticide contamination of two urban areas has implications for insect conservation and green space management. Environmental Toxicology and Chemistry. [pdf]

Halsch, C.A., Shapiro, A.M., Forister, M.L., Grames, E.M. (2025) Shifting baselines in North America’s longest-running butterfly monitoring program. Conservation Letters 18:e13116. [pdf]

Halsch, C.A., Elphick, C.S., Bahlai, C.A., Forister, M.L., Wagner, D.L., Ware, J.L., Grames, E.M. (2025) Meta-synthesis reveals interconnections among drivers of insect biodiversity loss. Bioscience 75:448-456. [pdf]

Halsch, C.A., Shapiro, A.M., Thorne, J.H., Rodman, K.C., Parra, A., Dyer, L.A., Gompert, Z., Smilanich A.M., and Forister, M.L. (2024) Thirty-six years of butterfly monitoring, snow cover, and plant productivity reveal negative impacts of warmer winters and increased productivity on montane species. Global Change Biology 30:e17044. [pdf]

Forister, M.L., Grames, E.M., Halsch, C.A., Burls, K.J., Carroll, C.F., Bell, K.L., Jahner, J.P., Bradford, T., Zhang, J., Cong, Q., Grishin, N.V., Glassberg, J., Shapiro, A.M., and Riecke, T.V. (2023) Assessing risk for butterflies in the context of climate change, demographic uncertainty, and heterogenous data sources. Ecological Monographs 93:e1584. [pdf]

Halsch, C.A., Zullo, D., and Forister, M.L. (2023) Additive and interactive pressures of anthropogenic stressors on an insect herbivore. Proceedings of the Royal Academy B 290: 2022243. [pdf]

Forister, M.L., Black, S., Elphick, C. Grames, E., Halsch, C.A., Schultz, C., and Wagner, D. (2023) Missing the bigger picture: why insect monitoring programs are limited in their ability to document the effects of habitat loss. Conservation Letters 16:e12951. [pdf]

Halsch, C.A., Hoyle, S.M., Code, A., Fordyce, J.A., Forister, M.L. (2022) Milkweed plants bought at nurseries may expose monarch caterpillars to harmful pesticide residues. Biological Conservation 273: 109699. [pdf]

Forister, M.L., Halsch, C.A., Nice, C.C., Fordyce, J.A., Dilts, T.E., Oliver, J.C., Prudic, K.L., Shapiro, A.M., Wilson, J.K., and Glassberg, J. (2021) Fewer butterflies seen by community scientists across the warming and drying landscapes of the American West. Science 371:1042-1045. [pdf]

Halsch, C.A., Shapiro, A.M., Fordyce, J.A., Nice, C.C., Thorne, J.H., Waetjen, D.P., and Forister, M.L. (2021) Insects and recent climate change. Proceedings of the National Academy of Sciences 118:e2002543117. [pdf]

Halsch, C.A., Code, A., Hoyle, S.M., Fordyce, J.A., Baert, N., and Forister, M.L. (2020) Pesticide contamination of milkweeds across the agricultural, urban and open spaces of low elevation Northern California. Frontiers in Ecology and Evolution 8:Article 162. [pdf]

Halsch, C.A., Shapiro, A.M., Thorne, J.H., Waetjen, D.P., and Forister, M.L. (2020) A winner in the Anthropocene: changing host plant distribution explains geographic range expansion in the gulf fritillary butterfly. Ecological Entomology 45:652-662. [pdf]

Kimball, S., Long, J.J., Ludovise, S., Ta, P., Schmidt, K.T., Halsch, C.A., et al. (2019) Impacts of competition and herbivory on native plants in a community‐engaged, adaptively managed restoration experiment. Conservation Science and Practice 1:e122. [pdf]

Tamura, N., Lulow, M.E., Halsch, C.A., Major, M.R., Balazs, K.R., Austin, P., et al. (2017) Effectiveness of seed sowing techniques for sloped restoration sites. Restoration Ecology 25:942-952. [pdf]