Variable Checkerspot

Variable Checkerspot
E. chalcedona in William O. Douglas Wilderness
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Nymphalidae
Genus:	Euphydryas
Species:	E. chalcedona
Binomial name
Euphydryas chalcedona (Doubleday, 1847)

The Variable Checkerspot or Chalcedon Checkerspot (Euphydryas chalcedona) is a species of butterfly, common in western North America from Alaska to Baja California and from the Rocky Mountains to the Pacific Ocean. A highly variable species, the wing upper surface is black to dark brown. The forewing is narrow and pointed compared to similar species. The wingspan is 32 millimetres (1.3 in) – 57 millimetres (2.2 in).^[1][2]

Adult butterflies feed on nectar from flowers. Caterpillars feed on a variety of plants including snowberry (Symphoricarpos), paintbrush (Castilleja) and Buddleja.

See also

• Euphydryas editha

References

1. ^ Sommer, Stefan; Denise Knight, Stephanie McDowell, Stephen Burton, Ean Harker. "Euphydryas chalcedona". Digital Atlas of Idaho. http://www.butterfliesandmoths.org/species?l=1751. Retrieved 2008-06-22. 
2. ^ Opler, Paul A.; Harry Pavulaan, Ray E. Stanford, Michael Pogue, coordinators (2006). "Chalcedon Checkerspot". Butterflies and Moths of North America. Bozeman, MT: NBII Mountain Prairie Information Node. http://www.butterfliesandmoths.org/. Retrieved 2008-06-22. 

External links

Media related to Variable Checkerspot at Wikimedia Commons

• Variable Checkerspot, Butterflies of Canada

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