North American Ecology (US and Canada)

provided by North American Butterfly Knowledge Network
Speyeria coronis is a resident in the northwestern United States (Scott 1986). Habitats are transition to Canadian zone chaparral, sagbrush and conifer woodland. Host plants are herbaceous, restricted to several species within genus Viola (Violaceae). Eggs are laid haphazardly, near the host plant, singly. Individuals overwinter as unfed first instar larvae. There is one flight each year with the approximate flight time June 1- early Sep. (Scott 1986).
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Behavior

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Adults sip flower nectar and occasionally mud. Males patrol for females (Scott, 1986).
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Speyeria coronis

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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][2]

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][3]

Wingspan ranges from 60–86 mm (2.4–3.4 in).[2]

Larva feed on Viola species.[4]

Similar species

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)

References

  1. ^ a b c Coronis Fritillary, Butterflies of Canada
  2. ^ a b Coronis Fritillary, Butterflies and moths of North America
  3. ^ Jim P. Brock and K. Kaufman. Kaufman Field Guide to Butterflies of North America, New York, NY:Houghton Mifflin, 2003.
  4. ^ a b "Speyeria Scudder, 1872" at Markku Savela's Lepidoptera and Some Other Life Forms
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Speyeria coronis: Brief Summary

provided by wikipedia EN

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.

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.

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

Larva feed on Viola species.

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