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Species Eudryas unio - Pearly Wood-Nymph - Hodges#9299

Pearly Wood-Nymph - Eudryas unio Moth - Eudryas unio caterpillar 3 - Eudryas unio Pearly Wood-Nymph - Hodges#9299 - Eudryas unio Moth - Eudryas unio Eudryas unio Eudryas unio - Pearly Wood-Nymph  - Eudryas unio Lépidoptère - Eudryas unio
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Agaristinae
Genus Eudryas (Wood Nymphs)
Species unio (Pearly Wood-Nymph - Hodges#9299)
Hodges Number
Synonyms and other taxonomic changes
Eudryas unio – (Hübner, [1831]
Explanation of Names
Species name unio is Latin for "onion" or "large pearl". The latter seems to be the context. (Based on Internet searches.)
Wingspan 26-35 mm (1)
Adult: dark band along outer margin of forewing is scalloped on the inside.
Eastern and central North America
usually found near marshy areas where both Epilobium and cattails (Typha) grow together.
This species is univoltine with a partial second generation on Block Island, RI, flying mainly June and early July but with records as late as mid-September.(2)
Larvae feed on Evening-primrose, grapes, other herbs.
See Also
Beautiful Wood-Nymph (Eudryas grata) dark band along outer margin of forewing is smoothly curved on the inside
Compare E. unio/E. grata:
Print References
Covell, p. 139, plate 27 (1)
Internet References
Moth Photographers Group - photos of living and pinned adults.
Lynn Scott, Ontario live adult photos, description, foodplants, flight dates
Georgia Leps pinned adult image (James Adams, Dalton State College)
Works Cited
1.Field Guide to Moths of Eastern North America
Charles V. Covell, Jr. 2005.
2.Block Island Moths