Crambus unistriatellus, the wide-stripe grass-veneer, 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 British Columbia, Alberta, Labrador, Maine, Michigan, New Hampshire, New York, Pennsylvania, Minnesota and California. The habitat consists of grasslands.[2]
The wingspan is 25–28 mm. The hindwings are white. Adults have been recorded on wing from June to October.[3]
The larvae feed on grass roots.[4]