Corydalus cornutus

The eastern dobsonfly, Corydalus cornutus, is a large insect in the Corydalidae family. It is found in eastern North America in regions with fast-flowing streams where its aquatic larvae develop. These are known as hellgrammites and are among the top invertebrate predators in the streams in which they live. They are used by anglers as bait.

Corydalus cornutus
Mounted male specimen
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Megaloptera
Family: Corydalidae
Genus: Corydalus
Species:
C. cornutus
Binomial name
Corydalus cornutus
Synonyms
  • C. cognatus, Hagen, 1861
  • C. cornutus, Linnaeus, 1758
  • C. crassicornis, McLachlan, 1867
  • C. inamabilis, McLachlan, 1867
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