''Speyeria coronis'', the Coronis fritillary, is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

of the 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 ...

of North America. It is common from

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered on ...

and east to

Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t ...

and western

South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota people, Lakota and Dakota peo ...

and once reported in

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

.Coronis Fritillary
Butterflies of Canada This butterfly is mostly orange and yellow with distinct dark-brown bars on the topside. The wing margins are dark with lighter circles then dark crescents. Silvery spots predominate on the yellowish underside.Jim P. Brock and K. Kaufman. Kaufman Field Guide to Butterflies of North America, New York, NY:Houghton Mifflin, 2003. Wingspan ranges from .Coronis Fritillary
Butterflies and moths of North America The larvae feed on ''

Viola The viola ( , also , ) is a string instrument that is bow (music), bowed, plucked, or played with varying techniques. Slightly larger than a violin, it has a lower and deeper sound. Since the 18th century, it has been the middle or alto voice of ...

'' species."''Speyeria'' Scudder, 1872"
at Markku Savela's ''Lepidoptera and Some Other Life Forms''

Similar species

Zerene fritillary ''Speyeria zerene'', the zerene fritillary, is a butterfly found in the western portions of the United States and Canada. The species was first described by William John Swainson in 1827. Description ''Speyeria zerene'' is a medium-sized butte ...

– ''Speyeria zerene'' * Edwards' fritillary – ''Speyeria edwardsii''

Subspecies

Listed alphabetically: *''S. c. halcyone'' (Edwards, 1869) *''S. c. hennei'' (Gunder, 1934) *''S. c. semiramis'' (Edwards, 1886) *''S. c. simaetha'' dos Passos & Grey, 1945 *''S. c. snyderi'' (Skinner, 1897)

References

Speyeria Butterflies of North America Butterflies described in 1864 Taxa named by Hans Hermann Behr {{Heliconiinae-stub