The upperside is creamy white with black tips to the forewings. Females also have two black spots in the center of the forewings. Its underwings are yellowish with black speckles.
There were two females flying about the wildlife habitat garden in search of host plants.
Its caterpillars can be a pest on cultivated cabbages, kale, radish, broccoli, and horseradish but it will readily lay eggs on wild members of the cabbage family. The eggs are laid singularly on foodplant leaves.