The eastern dobsonfly, Corydalus cornutus, is a large insect in the Corydalidae family. These are known as hellgrammites and are among the top invertebrate predators in the streams in which …

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 …

The eastern dobsonfly, Corydalus cornutus (Linnaeus), is one of our largest non-lepidopteran insects. Its larvae, known as hellgrammites, are the top invertebrate predators in rocky …

Jul 4, 2023 · Widespread eastern species with pale markings on the head and with the many pale spots in the wings not margined by a dark ring. Males have spectacular mandibles. Compare …

Jan 28, 2025 · Dobsonfly (Corydalus cornutus) Detailing the physical features, habits, territorial reach and other identifying qualities of the Dobsonfly 

Corydalus cornutus is found in or near the rivers and streams of eastern North America. (Evans and Neunzig, 1996; McCafferty, 1983) Biogeographic Regions; nearctic. native; Habitat. The …

Corydalus cornutus. Identification Numbers. TSN: 115034. Geography. Launch Interactive Map. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats …

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.

Corydalus cornutus (Linnaeus, 1758) in GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2025-03-03.

What is that strange big insect? Dobsonflies, hellgrammites, and fishflies (Corydalidae) - Bug of the Week. The eastern dobsonfly is a large nocturnal insect that can be an important indicator …