Eudryas unio
Introduction '''''Eudryas unio''''', the '''pearly wood-nymph''', is a species of moth of the family Noctuidae. It is found in most of the eastern United States from central New Hampshire and southern Ontario, south to southern Florida. In the west it ranges to the eastern Great Plains, south to southern Texas and Veracruz along the eastern coast of Mexico. There are isolated populations in central Utah and California. The California population might be considered a distinct subspecies or even species, ''brevipennis''.The wingspan is 26–35 mm. Adults are on wing from May to August.Pearly Wood-Nymph (Eudryas unio) lateral viewThe larvae feed on ''Vitis'', ''Oenothera biennis'', ''Ludwigia'', ''Lythrum'', ''Decodon verticillatus'' and ''Hibiscus''. The California population has been recorded from ''Epilobium ciliatum'' and ''Oenothera''.
External links *  Species info*  Bug Guide