Summary ³

Fairly Common. Flies most of the year. The Orange Sulphur (Colias eurytheme), also known as the Alfalfa Butterfly and in its larval stage as Alfalfa Caterpillar, is a butterfly of the family Pieridae, where it belongs to the lowland group of "clouded yellows and sulphurs" subfamily Coliadinae. It is found throughout North America from southern Canada to Mexico, but is absent from the central and southeastern USA.

Sources and Credits

1. (c) Donna Pomeroy, all rights reserved, uploaded by Donna Pomeroy
2. (c) Dan Mullen, some rights reserved (CC BY-NC-ND), http://www.flickr.com/photos/8583446@N05/6137123754
3. Adapted by Donna Pomeroy from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Colias_eurytheme

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• BugGuide
• Butterflies and Moths of North America
• CalPhotos
• CUIC Insect Images
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• Maryland Biodiversity Project
• Maryland Moths
• Mass Moths
• Moth Photographers Group
• Moths of North Carolina
• NatureServe Explorer 2.0
• Pacific Northwest Moths

iNat Map