Identification guides

Caterpillars of Eastern North America: A Guide to Identification and Natural History - Wagner, D. L. (2005)

Owlet Caterpillars of Eastern North America - Wagner, D. L., Schweitzer, D. F., Sullivan, J. B., & Reardon, R. C. (2011)

Caterpillars in the Field and Garden: A Field Guide to the Butterfly Caterpillars of North America - Allen, T. J., Brock, J. P., & Glassberg, J. (2005)

Caterpillars on the Foliage of Conifers in the Northeastern United States - Maier, C. T., Lemmon, C. R., Fengler, J. M., Schweitzer, D. F., & Reardon, R. C. (2011) USDA Forest Service. PDF available here

Geometroid Caterpillars of Northeastern and Appalachian Forests - Wagner, D. L., Ferguson, D. C., McCabe, T. L., & Reardon, R. C. (2001). USDA Forest Service. PDF available here

Other Books

Bringing Nature Home: How You Can Sustain Wildlife with Native Plants - Tallamy, D. W. (2009)

Videos

The Extraordinary Caterpillar (58 min.)

Websites

BugGuide

The Caterpillar Lab (also on Facebook & Instagram)

iNaturalist Project: Caterpillars of Eastern North America

iNaturalist Project: High Park Caterpillar Survey

Moth Photographers Group

Articles

The Little-known World of Caterpillars: An Entomologist Races to Find Them Before They Disappear - Kolbert, E. (2023, March 13). The New Yorker. Link here