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Information about the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

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Photos of insects and people from the 2012 gathering in Alabama

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Genus Colias

Clouded Sulpher??  First photo is not the same butterfly - Colias philodice Green Butterfly - Colias eurytheme - female Orange Sulphur BF - Colias eurytheme Colias eurytheme ? - Colias eurytheme - male Clouded Sulphur for New Brunswick - Colias philodice - female Sulphur - Colias - male Which sulphur species? - Colias eurytheme Palaeno Sulphur - Colias palaeno - male
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Pieridae (Whites, Sulphurs, Yellows)
Subfamily Coliadinae (Sulphurs and Yellows)
Genus Colias
Remarks
All Colias species are migratory in behaviour. Some simply move up and down mountainsides as the seasons advance, to take advantage of fresh growth of their larval foodplants and adult nectar sources. Others undertake much longer migrations.
Internet References