Colias eurytheme


Common Names: Orange sulphur, alfalfa butterfly, alfalfa caterpillar
Category: Insects
Sub-category: Butterflies


The color of the butterfly is variable. Upperside of males are yellow with orange overlay, yellow veins, wide black border, and dark black cell spot. Females are yellow or white with irregular black border surrounding light spots. Underside hindwing spot silver with 2 concentric dark rings, and a spot above it. Wingspan is approximately 3.5 to 7 cm.

Typically found in fields, open areas, meadows, and road sides. Caterpillars feed off various species in the pea family (Fabaceae) and are usually only found feeding at night. Adult butterflies typically found on various meadow flowers from June to October.

Edible Notes: No available information on edibility.
Warnings: Not known to be dangerous.
Sightings