alderfly
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Related to Alderflies: Sialidae, dobsonflies
alderfly:
see dobsonflydobsonfly,common name for a group of insects of the order Megaloptera, found throughout E North America. The adults may be 5 in. (12.7 cm) long; the male has mandibles half as long as the body. They are soft-bodied insects with a fluttery flight, and are largely nocturnal.
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