''Erynnis afranius'', also known as the afranius duskywing or bald duskywing, is a species of

butterfly Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

of the family

Hesperiidae Skippers are a group of butterflies placed in the family Hesperiidae within the order Lepidoptera (moths and butterflies). They were previously placed in a separate superfamily, Hesperioidea, but have since been placed in the superfamily Papilion ...

. It is found from northern Mexico through the central United States to southern Canada in the provinces of

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 ...

Saskatchewan Saskatchewan is a Provinces and territories of Canada, province in Western Canada. It is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and to the south by the ...

and

Manitoba Manitoba is a Provinces and territories of Canada, province of Canada at the Centre of Canada, longitudinal centre of the country. It is Canada's Population of Canada by province and territory, fifth-most populous province, with a population ...

.Afranius Duskywing
Butterflies of Canada 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 25–31 mm. There can be two generations from mid-May to late August. The larvae feed on ''

Lupinus ''Lupinus'', commonly known as lupin, lupine, or regionally bluebonnet, is a genus of plants in the legume family Fabaceae. The genus includes over 199 species, with centre of diversity, centres of diversity in North America, North and South A ...

'' species, '' Lotus'' species and ''

Thermopsis rhombifolia ''Thermopsis rhombifolia'', also known as prairie thermopsis, is a flowering plant in the legume family. It is native to North America, where it is found in the Great Plains, with extensions into the lower canyons of the Rocky Mountains. Its na ...

''.''Erynnis''
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References

External links

Afranius Duskywing
BugGuide
Afranius Duskywing
Butterflies and Moths of North America Erynnis Butterflies of North America Butterflies described in 1878 Taxa named by Joseph Albert Lintner Lepidoptera of Canada Lepidoptera of the United States Lepidoptera of Mexico {{Pyrginae-stub