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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Butterflies and Skippers (Papilionoidea) » Whites, Sulphurs, Yellows (Pieridae) » Whites (Pierinae) » Cabbage Whites, Checkered Whites, Albatrosses (Pierini) » Checkered Whites (Pontia) » Western White - Hodges#4194 (Pontia occidentalis)
Photo#511777
Butterfly on Sulfur Buckwheat (dry) - Pontia occidentalis
Copyright © 2011 Robert Wolfe

Butterfly on Sulfur Buckwheat (dry) - Pontia occidentalis
Grand Teton National Park, Colter Bay, Lakeshore Trail, Teton County, Wyoming, USA
August 13, 2008
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Contributed by Robert Wolfe on 4 May, 2011 - 12:33pm
Last updated 15 May, 2011 - 2:27pm

Moved
Moved from ID Request.
… David J. Ferguson, 15 May, 2011 - 2:27pm login or register to post comments

this is not P. sisymbrii
Based on appearance and location, I'm pretty sure it is Pontia occidentalis.
… David J. Ferguson, 10 May, 2011 - 2:36am login or register to post comments

Checkered white
It's one of the Checkered Whites, genus Pontia. I'll wait for the experts to officially determine which one, but on account of the distinctly pale veins on the lower wing I'm leaning toward the Spring White (P. sisymbrii).
… Rose L, 4 May, 2011 - 1:43pm login or register to post comments

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