Speyeria coronis explained

Speyeria coronis, the Coronis fritillary, is a butterfly of the family Nymphalidae of North America. It is common from Baja California to Washington and east to Colorado and western South Dakota and once reported in Alberta.^[1]

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.^{[1] [2]}

Wingspan ranges from 60-.^[3]

The larvae feed on Viola species.^[4]

Similar species

• Zerene fritillary – Speyeria zerene
• Edwards' fritillary – Speyeria edwardsii

Subspecies

Listed alphabetically:^[4]

• 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)

Notes and References

1. http://www.cbif.gc.ca/spp_pages/butterflies/species/CoronisFritillary_e.php Coronis Fritillary
2. Jim P. Brock and K. Kaufman. Kaufman Field Guide to Butterflies of North America, New York, NY:Houghton Mifflin, 2003.
3. http://www.butterfliesandmoths.org/species?l=1680 Coronis Fritillary
4. http://ftp.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/nymphalidae/heliconiinae/speyeria/ "Speyeria Scudder, 1872"