Female eastern dobsonfly

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Female eastern dobsonfly

Jan 18, 2026

Pest Control Canada

Female eastern dobsonfly

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6529. Fergus, Ontario. Canada

Number 6529. This is a female eastern dobsonfly, Corydalus cornutus (Megaloptera: Corydalidae). Their larvae, called hellgrammites, are aquatic predators on other small life forms. Click here for images and more detailed information.