Eudryas unio, the pearly wood-nymph,[1] 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.[2]

Eudryas unio
Male
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Noctuidae
Genus: Eudryas
Species:
E. unio
Binomial name
Eudryas unio
(Hübner, [1831])
Synonyms
  • Euthisanotia unio Hübner, [1831]

The wingspan is 26–35 mm. Adults are on wing from May to August. The larvae feed on Vitis, Oenothera biennis, Ludwigia, Lythrum, Decodon verticillatus and Hibiscus.

Eudryas brevipennis was once considered a possible subspecies of Eudryas unio, however, the genitalia of both sexes differ between the species.[3]

References

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  1. ^ Lepage, Diane (2023). "Report on Moths at Voyageur Provincial Park, Ontario: June 24 to September 2, 2022: Trail & Landscape". Trail & Landscape. 57 (3): 189–204 – via Academic Search Complete.
  2. ^ "Eudryas unio Hübner, 1831". www.gbif.org. Retrieved 2024-06-16.
  3. ^ Crabo, Lars; Davis, Melanie; Hammond, Paul; Mustelin, Tomas; Shepard, Jon (2013-02-06). "Five new species and three new subspecies of Erebidae and Noctuidae (Insecta, Lepidoptera) from Northwestern North America, with notes on Chytolita Grote (Erebidae) and Hydraecia Guenée (Noctuidae)". ZooKeys (264): 85–123. Bibcode:2013ZooK..264...85C. doi:10.3897/zookeys.264.4304. ISSN 1313-2970. PMID 23730179.
 
Pearly Wood-Nymph (Eudryas unio) lateral view
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