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Corydalus cornutus: Eastern Dobsonfly - Photographs of the different life stages of this large insect whose aquatic larvae are known as hellgrammites, its distribution, description, life cycle and biology.
Megaloptera - Account from the Tree of Life of the Megaloptera (alderflies, dobsonflies, fishflies), formerly considered a suborder (Sialodea) of Neuroptera, generally considered to be among the most primitive of the holometabolous insect orders.
Megaloptera: Dobsonflies and Alderflies - The characteristics of these insects, their life cycle, feeding and habitat, with illustrations.