Catocala semirelicta

Catocala semirelicta, the semirelict underwing, is a moth of the family Erebidae. The species was first described by Augustus Radcliffe Grote in 1874.[1] It is found in North America from Nevada, Colorado, Utah, California, and Nova Scotia south to Maine, west across Canada to British Columbia, and southward in the mountains.

Illustration

Semirelict underwing
Ottawa, Ontario
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Genus: Catocala
Species:
C. semirelicta
Binomial name
Catocala semirelicta
Grote, 1874
Synonyms
  • Catocala atala Cassino, 1918
  • Catocala pura Hulst, 1880 110
  • Catocala pura f. nigra Eastman, 1916
  • Catocala nevadensis Beutenmüller, 1907
  • Catocala nevadensis var. montana

The length of the forewings is about 30 mm. The wingspan is 65–75 mm.

Adults are on wing from July to September in one generation depending on the location. The larvae feed on Populus balsamifera, Populus tremuloides, and Salix species. There is probably one generation per year.

Subspecies

The latter is sometimes considered a distinct species.

References

  1. Yu, Dicky Sick Ki. "Catocala semirelicta Grote 1874". Home of Ichneumonoidea. Taxapad. Archived from the original on July 7, 2015.


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