Euthyatira semicircularis

Euthyatira semicircularis is a moth in the family Drepanidae.[1] It is found in North America, where it has been recorded from British Columbia to California, east to Utah.[2] The habitat consists of coastal rainforests and boreal forests.[3]

Euthyatira semicircularis
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Drepanidae
Genus:
Euthyatira
Species:
E. semicircularis
Binomial name
Euthyatira semicircularis
(Grote, 1881)
Synonyms
  • Bombycia semicircularis Grote, 1881
  • Euthyatira tema Strecker, 1898
  • Bombycia griseor Barnes & McDunnough, 1910

The wingspan is 39–45 mm. The forewings of the males are silvery grey, but dark grey in females. There are three or four arc-shaped black lines across the wing in the basal area and there is a semicircular whitish or pale yellow patch at the base, bordered by black. There is also a pale grey apical patch, bordered by a black oblique apical dash. The postmedian line is dark and double, while the subterminal line is faint and terminates at the apical dash. The hindwings are light yellowish-grey with dark veins.[4] Adults are on wing from May to July.

References
  1. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Euthyatira semicircularis". The Global Lepidoptera Names Index. Natural History Museum. Retrieved May 24, 2018.
  2. mothphotographersgroup
  3. Pacific Northwest Moths
  4. Bug Guide


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