''Eudryas unio'', the pearly wood-nymph, is a species of moth of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

. 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 The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...

, 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)

The 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
Moths described in 1831 Agaristinae Moths of North America {{Agaristinae-stub