Colias eurytheme
Wing span: 1 3/8 to 2 3/4 inches
leaves of plants in the Leguminosae family including: alfalfa, Medicago; indigo, Baptisia; pea, Pisum; vetch, Vicia; white clover, Trifolium; white sweet clover, Melilotus
nectar of: aster, Aster; clover, Trifolium; dandelion, Taraxacum; dogwood, Cornus; goldenrod, Solidago; milkweed, Asclepias; thistle, Cirsium
open areas, especially clover and alfalfa fields, meadows, mowed fields, road edges, vacant lots
females lay eggs singly on top of leaves, males patrol for females, hibernates as chrysalis, one of the most widespread and common butterflies in North America