It is found from southern British Columbia and eastern Washington, south through California and northern Arizona to Baja California and east to south-eastern Wyoming, central Colorado, and north-eastern New Mexico.

There is one generation with adults on wing from June to August at high elevations.

There are several generations from March to October in the southern part of its range and at low elevations.

The larvae feed on various grasses, including Cynodon dactylon, Poa pratensis, Distichlis spicata var.

Adults feed on flower nectar.