''Erebia mackinleyensis'', the Mt. McKinley alpine, is a member of the subfamily

Satyrinae The Satyrinae, the satyrines or satyrids, commonly known as the browns, are a subfamily of the Nymphalidae (brush-footed butterflies). They were formerly considered a distinct family, Satyridae. This group contains nearly half of the known diver ...

of family

Nymphalidae The Nymphalidae are the largest family of butterflies, with more than 6,000 species distributed throughout most of the world. Belonging to the superfamily Papilionoidea, they are usually medium-sized to large butterflies. Most species have a red ...

. It is found from eastern

Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part ...

through

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U ...

and

Yukon Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...

, just reaching into the

Northwest Territories The Northwest Territories (abbreviated ''NT'' or ''NWT''; french: Territoires du Nord-Ouest, formerly ''North-Western Territory'' and ''North-West Territories'' and namely shortened as ''Northwest Territory'') is a federal territory of Canada. ...

in the

Richardson Mountains The Richardson Mountains are a mountain range located west of the mouth of the Mackenzie River in northern Yukon, Canada. They parallel the northernmost part of the boundary between Yukon and Northwest Territories. Although some sources conside ...

and into

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, for ...

Stone Mountain Provincial Park The Stone Mountain Provincial Park is an area of of mountain wilderness in the Canadian province of British Columbia. The park is part of the larger Muskwa-Kechika Management Area wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan o ...

is 41–53 mm. Adults are on wing in late June and July.Mt. McKinley Alpine (''Erebia mackinleyensis'')
Butterflies of Canada Its habitats include alpine scree and boulder fields.

Similar species

Magdalena alpine The Magdalena alpine (''Erebia magdalena'') is a member of the subfamily Satyrinae of the family Nymphalidae. It is found in North America from Montana, Colorado, Utah, and New Mexico, and in Canada in a small part of the Willmore Wilderness Park ...

(''E. magdalena'')

References

Erebia Butterflies of Asia Butterflies of North America {{Satyrini-stub