1999 California Academy of Sciences   cc-by-nc-sa-3.0

Colias is a genus of butterflies in the family Pieridae. They visit flowers of arrowleaf ragwort, smooth phlox, sweet fennel, and Baldwin's ironweed.

EOL has data for 8 attributes, including:

Known occurrences, collected specimens and observations of Colias. View this species on GBIF