Upperside dark gray-brown. Postmedian line of white dots may be straight or bulged out, reduced, or lacking. Males perch to watch for females in depressions or gulch bottoms.
Females lay eggs singly on host plant leaves.
Caterpillars eat leaves, although some prefer flowers and young fruits. One flight from March-June. Sagebrush scrub, chaparral, woodlands, subalpine scree. G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery. Butterflies of the Rocky Mountain States.