This species was first described from mid-peninsula Baja California but has been known from the California deserts since the 1930's. Most reported sightings have been by amateur collectors and no specimens have been available. San Diego Co. It probably has a wider and more northerly distribution.
Nothing is known about abundance.
It occurs primarily in rocky areas at the heads of canyons, making population studies difficult. Nothing known but probably not required. This species seems to be restricted to areas dominated by massive rock formations. Little else is known about its biology. Nothing known but probably does not migrate.