''Drasteria adumbrata'', the shadowy arches, is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

of the family

Erebidae The Erebidae are a family (biology), family of moths in the superfamily Noctuoidea. The family is among the largest families of moths by species count and contains a wide variety of well-known macromoth groups. The family includes the underwin ...

. The species was first described by

Hans Hermann Behr Hans Hermann Behr (August 18, 1818, Köthen (Anhalt), Köthen – March 6, 1904, San Francisco) was a German Americans, German-American Physician, doctor, entomologist and botanist. At the time of his death, the ''San Francisco Chronicle'' r ...

in 1870. It is found from coast to coast in southern

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

, south in the west to

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

and

Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...

, south in the east to

New England New England is a region consisting of six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York (state), New York to the west and by the ...

and

Michigan Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...

. Subspecies ''D. a. alleni'' is found from eastern

Alberta Alberta is a Provinces and territories of Canada, province in Canada. It is a part of Western Canada and is one of the three Canadian Prairies, prairie provinces. Alberta is bordered by British Columbia to its west, Saskatchewan to its east, t ...

New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...

and

Nova Scotia Nova Scotia is a Provinces and territories of Canada, province of Canada, located on its east coast. It is one of the three Maritime Canada, Maritime provinces and Population of Canada by province and territory, most populous province in Atlan ...

. Subspecies ''D. a. saxea'' occurs from southern

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

and south-west

south to

and

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is about 32 mm. Adults are on wing in summer. The larvae feed on ''

Vaccinium angustifolium ''Vaccinium angustifolium'', commonly known as the wild lowbush blueberry, is a species of blueberry native to eastern and central Canada and the northeastern United States. It is the most common commercially used wild blueberry and is consider ...

'' and probably other ''

Vaccinium ''Vaccinium'' is a common and widespread genus of shrubs or dwarf shrubs in the heath family (Ericaceae). The fruits of many species are eaten by humans and some are of commercial importance, including the cranberry, blueberry, bilberry (wh ...

'' species. It has also been recorded on ''

Arctostaphylos uva-ursi ''Arctostaphylos uva-ursi'' is a plant species of the genus ''Arctostaphylos'' widely distributed across circumboreal regions of the subarctic Northern Hemisphere. Kinnikinnick (from the Unami language for "smoking mixture") is a common name in ...

''.

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)

References

External links

* * * Drasteria Moths of North America Moths described in 1870 {{Melipotini-stub