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Drepana
hook-tip moths
Drepana is a genus of hook-tip moths in the family Drepanidae, subfamily Drepaninae. The genus includes species with distinctive falcate (sickle-shaped) forewings that give the group its common name. Larvae are folivorous, feeding primarily on birch and alder. Some species exhibit notable vibrational communication behaviors during larval territorial contests. Adults are nocturnal and fly primarily in spring and summer.