Speyeria coronis
Encyclopedia
The Coronis Fritillary (Speyeria coronis) is a butterfly
Butterfly
A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 of the Nymphalidae family of North America. It is common from Baja California
Baja California
Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...

 to Washington and west to Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...

 and western South Dakota
South Dakota
South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...

 and once reported in Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...

.

This butterfly is mostly orange and yellow coloured 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.

Wingspan ranges from 60–86 mm (2.4–3.4 in).

Larva feed on Viola sp.

Similar Species

  • Zerene Fritillary – 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)
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