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
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]
Atlantis fritillaries are sensitive to temperature [6][7] with population trajectories showing declines in response to climate warming trends.[7]
^ abAtlantis Fritillary, Butterflies of Canada
^Atlantis Fritillary, Butterflies and Moths of North America
^"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.
^Jim P. Brock and K. Kaufman. Kaufman Field Guide to Butterflies of North America, New York, NY: Houghton Mifflin, 2003.
^"Atlantis Fritillary Speyeria atlantis (W.H. Edwards, 1862) | Butterflies and Moths of North America".
^Geest, Emily A; Baum, Kristen A (2021-06-01). "Environmental Variables Influencing Five Speyeria (Lepidoptera: Nymphalidae) Species' Potential Distributions of Suitable Habitat in the Eastern United States". Environmental Entomology. 50 (3): 633–648. doi:10.1093/ee/nvab001. ISSN 0046-225X. PMID 33561201.
^ abBreed, Greg A.; Stichter, Sharon; Crone, Elizabeth E. (2013). "Climate-driven changes in northeastern US butterfly communities". Nature Climate Change. 3 (2): 142–145. Bibcode:2013NatCC...3..142B. doi:10.1038/nclimate1663. ISSN 1758-6798.
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