Eastern dobsonfly (adult), hellgrammite (larva) Corydalus cornutus (Linnaeus) (Insecta: Megaloptera: Corydalidae: Corydalinae)
2013
Donald W. Hall
The eastern dobsonfly is one of our largest non-lepidopteran insects. Its larvae, known as hellgrammites, are the top invertebrate predators in rocky streams where they occur. Adult male dobsonflies are particularly spectacular because of their large sickle-shaped mandibles (jaws). This 4-page fact sheet was written by Donald W. Hall and published by the UF Department of Entomology and Nematology, April 2013. http://edis.ifas.ufl.edu/in987
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