Catocala relicta
Lectotype of Catocala relicta elda, now considered to be a synonym of Catocala relicta
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Erebidae
Genus:	Catocala
Species:	C. relicta
Binomial name
Catocala relicta Walker, 1858
Synonyms
Catocala bianca H. Edwards, 1880 Catocala phrynia H. Edwards, 1880 Catocala clara Beutenmüller, 1903 Catocala fischeri Meyer, 1958 Catocala elda Behrens, 1887

Catocala relicta, the white underwing or relict, is a moth of the family Erebidae. The species was first described by Francis Walker in 1858.^[1][2] It lives in southern Canada, from Newfoundland to Vancouver Island, south to Missouri, and Arizona.

The wingspan is 67–75 mm. Adults are on wing from July to September in one generation depending on the location.

The larvae feed on Betula papyrifera, Carya ovata, Populus alba, Populus balsamifera, Populus deltoides, Populus nigra, Populus tremuloides, Quercus species, and Salix species (including Salix eriocephala).

Catocala relicta elda, recorded from Oregon, was formerly considered a subspecies, but is now thought to be a synonym of Catocala relicta.

Wikimedia Commons has media related to Catocala relicta.

Wikispecies has information related to Catocala relicta.

• Robinson, E. & Anweiler, G. G. "Species Details Catocala relicta". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 9, 2020.
• Oehlke, Bill. "Catocala relicta Walker, [1858]". The Catocala Website. Archived December 27, 2008.

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