Polites sonora, the Sonoran skipper or western long dash,[1] is a butterfly in the family Hesperiidae.

It is found along the Pacific coast of the U.S., reaching Canada only in the extreme southern interior of British Columbia.

[2] There is one generation in Canada from mid-July to mid-August in British Columbia.

[2] The larvae feed on grasses, possibly Idaho fescue (Festuca idahoensis).

[1][2] Adults feed on nectar from flowers including white-flowered thistles.