What is "dobsonfly"

n. An insect of the subfamily ''(taxlink Corydalinae subfamily noshow=1)'' whose males have long mandibles, found in the Americas and related most closely to the fishfly.

n. large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait [syn: dobson, dobson fly, Corydalus cornutus]

Dobsonflies are a subfamily of insects, Corydalinae, part of the Megalopteran family Corydalidae. The larvae (commonly called hellgrammites) are aquatic, living in streams, and the adults are often found along streams as well. The nine genera of dobsonflies are distributed throughout the Americas, Asia, and South Africa.