Elachista orestella Busck, 1908

Elachista orestella Busck, 1908: 196 . Type locality: U.S.A., Pennsylvania, Allegheny County, Oak Station (Busck 1908: 196). Holotype ♀, in USNM.

Aphelosetia orestella: Forbes (1923) .

Subgenus: Aphelosetia; argentella species group.

Distribution: Nearctic. Canada (Alberta, Labrador, Manitoba, Newfoundland, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon), U.S.A. (Alaska, Illinois, Massachusetts, Minnesota, Nebraska, New Jersey, New York, Pennsylvania).

Larval host plant(s): Braun (1920: 172) gives Hystrix patula Moench (Poaceae) as host plant, but later states (1948: 38) that this host plant record applies to E. epimicta Braun, 1948 .

Figs.: Kaila (1997).