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Calendar
BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
Details...

Photos from the 2008 gathering in Tennessee
 
Photos from the 2007 gathering in Minnesota

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Genus Zerene - Dogfaces

Southern Dogface - Zerene cesonia Southern dogface - Zerene cesonia Green Butterfly on Yellow Flowers - Zerene cesonia California Dogface BF - Zerene cesonia Green Butterfly on Purple Flower - Zerene cesonia Southern Dogface - Zerene cesonia Southern Dogface - Zerene cesonia - female Colias (Zerene) cesonia - Zerene cesonia
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies (excluding skippers))
Family Pieridae (Whites and Yellows)
Subfamily Coliadinae (Sulphurs and Yellows)
Genus Zerene (Dogfaces)
Synonyms and other taxonomic changes
formerly included in the genus Colias
Numbers
2 species in North America, the Southern Dogface (Z. cesonia) and the California Dogface (Z. eurydice)
Identification
pattern of the upper forewing resembles a yellow "dog face" bordered by black, with a black circle forming the eye
Range
resident in California, Texas, and Florida; regular migrant across southern two-thirds of United States, with occasional strays recorded as far north as central Canada and the Great Lakes
Habitat
open areas such as roadsides and pastures
Food
larvae feed on legumes
Internet References
live adult images of Z. cesonia (Jeffrey Pippen, Texas, courtesy of Duke U.)
pinned adult images plus other info on Z. eurydice (nearctica.com)