Conservation Corner: Dobson Flies and Hellgrammites – Potomac

Maryland Biodiversity Project - Eastern Dobsonfly (Corydalus cornutus)

The Ultimate Guide to Dobsonflies: Everything You Need to Know

Maryland Biodiversity Project - Eastern Dobsonfly (Corydalus cornutus)

Eastern Dobsonfly Missouri Department of Conservation

eastern dobsonfly Roads End Naturalist

eastern dobsonfly Roads End Naturalist

Maryland Biodiversity Project - Eastern Dobsonfly (Corydalus cornutus)

Hellgrammite- Dobsonfly Larva - Corydalus cornutus

Eastern Dobsonfly Missouri Department of Conservation

Conservation Corner: Dobson Flies and Hellgrammites – Potomac Valley Fly Fishers