Speyeria atlantis

Speyeria atlantis, the Atlantis fritillary, is a butterfly of the family Nymphalidae of North America. It is from the Avalon Peninsula of Newfoundland and Labrador to northern British Columbia, across the northern United States south as far as Colorado and West Virginia.[1][2] It resides as far north as James Bay. The species is listed as endangered in Connecticut.[3]

Mating

Atlantis fritillary
Temagami, Ontario
View of underwings
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Nymphalidae
Genus: Speyeria
Species:
S. atlantis
Binomial name
Speyeria atlantis
(W.H. Edwards, 1862)

Its upperside is dark orange with many rows of black markings and black wing margins. Its underside is a light brown with many silvery-white spots. Wingspan ranges from 50–64 millimetres (2.0–2.5 in).[1][4]

The larvae are hosted by violets. Adult foods include common milkweed, mint, mountain laurel, crown vetch, burdock, boneset, ox-eye daisy, spiraea, and virgin's bower.[5]

Subspecies

Listed alphabetically:[6]

  • S. a. atlantis
  • S. a. canadensis (dos Passos, 1935)
  • S. a. chitone (Edwards, 1879)
  • S. a. dodgei (Gunder, 1931)
  • S. a. beani (Barnes & Benjamin, 1926)
  • S. a. dennisi dos Passos & Grey, 1947
  • S. a. dorothea Moeck, 1947
  • S. a. electa (Edwards, 1878)
  • S. a. elko Austin, 1983
  • S. a. greyi (Moeck, 1950)
  • S. a. hesperis (Edwards, 1864)
  • S. a. hollandi (F. & R. Chermock, 1940)
  • S. a. hutchinsi dos Passos & Grey, 1947
  • S. a. irene (Boisduval, 1869)
  • S. a. lais (Edwards, 1883)
  • S. a. lurana dos Passos & Grey, 1945
  • S. a. nausicaa (Edwards, 1874)
  • S. a. nikias (Ehrmann, 1917)
  • S. a. schellbachi Garth, 1949
  • S. a. tetonia dos Passos & Grey, 1945
  • S. a. viola dos Passos & Grey, 1945
  • S. a. wasatchia dos Passos & Grey, 1945

Similar species
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References
  1. Atlantis Fritillary, Butterflies of Canada
  2. Atlantis Fritillary, Butterflies and Moths of North America
  3. "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 19 January 2018.
  4. Jim P. Brock and K. Kaufman. Kaufman Field Guide to Butterflies of North America, New York, NY: Houghton Mifflin, 2003.
  5. https://www.butterfliesandmoths.org/species/Speyeria-atlantis
  6. "Speyeria Scudder, 1872" at Markku Savela's Lepidoptera and Some Other Life Forms


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