Image Credit: Bob Moul
Identification: Upper side of wings white; forewing with black tip. Two sub-marginal black spots in female, one in male. Underside of hindwing and forewing apex evenly yellow-green or gray-green. Spring and fall short-day form is smaller, less yellow, with reduced black areas.
Wing Span: 1 3/4 - 2 1/4 inches (4.5 - 5.8 cm).
Caterpillar Hosts: Many plants in the mustard (Brassicaceae) family and occasionally some in the caper family (Capparidaceae).
Adult Food: Flower nectar from a very wide array of plants including mustards, dandelion, red clover, asters, and mints.
Habitat: Almost any type of open space including weedy areas, gardens, roadsides, cities, and suburbs.