Upperside of male is yellow-orange with dark toothed borders and a sinuous stigma on the forewing. Underside of the hindwing in both sexes is yellow-tan with yellow veins, dark chevrons between the veins at the outer margin, and dark spots at the vein ends. Females deposit eggs singly on the host or on nearby plants.
Caterpillars feed on leaves and take shelter in nests of tied leaves.
Alkali grasslands, moist meadows, lawns, salt marshes, sand dunes, sagebrush flats, and alpine fell-fields. G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery. Scott, J. A. 1986. The butterflies of North America. Stanford, R. E. and P. A. Opler.