Pyrausta borealis, the northern pyrausta moth, is a moth in the family Crambidae. It was described by Alpheus Spring Packard in 1867.[1] It is found in North America, where it has been recorded from Newfoundland and Labrador west to British Columbia, north to Alaska and the Yukon.[2] The habitat consists of boreal forests.
The wingspan is 14–18 mm. Adults are on wing from mid-May to mid-July.[3]
The species was formerly treated as a subspecies of Pyrausta subsequalis.