Drasteria adumbrata

Drasteria adumbrata, the shadowy arches, is a moth of the family Erebidae. The species was first described by Hans Hermann Behr in 1870.^[1] It is found from coast to coast in southern Canada, south in the west to California and Colorado, south in the east to New England and Michigan. Subspecies D. a. alleni is found from eastern Alberta to New York and Nova Scotia. Subspecies D. a. saxea occurs from southern British Columbia and south-west Alberta south to California and Colorado.

Drasteria adumbrata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Erebidae
Genus:	Drasteria
Species:	D. adumbrata
Binomial name
Drasteria adumbrata (Behr, 1870)
Synonyms
Syneda adumbrata Behr, 1870 Synedoida adumbrata (Behr, 1870) Syneda alleni Grote, 1877 Syneda saxea Edwards, 1881

The wingspan is about 32 mm. Adults are on wing in summer.

The larvae feed on Vaccinium angustifolium and probably other Vaccinium species. It has also been recorded on Arctostaphylos uva-ursi.

Subspecies

• Drasteria adumbrata adumbrata
• Drasteria adumbrata alleni (Grote, 1877) (eastern North America, reaching as far west as Alberta)
• Drasteria adumbrata saxea (Edwards, 1881) (from southern Alberta and British Columbia to California and Colorado)