Find Corydalus cornutus information at Animal Diversity Web
This resource may not be downloaded and used without permission of the copyright holder except for educational fair use.
Photo taken in the Museum of Zoology, University of Michigan, Ann Arbor.
This is an adult male dobsonfly, (Corydalus cornutus). The very long mandibles, though fierce-looking, are used mainly during courtship and mating. Males of this species are not reported to feed in the adult stage. The animal is standing over a dime (a US 10 cent coin).
Animal Diversity Web, University of Michigan Museum of Zoology
(copyright holder)