Grammia virguncula, the little virgin tiger moth, is a moth of the family Erebidae. It was described by W. Kirby in 1837. It is found across most of southern Canada and the United States, from the Rocky Mountains eastward. In the north, the range extends to northern Alberta and Newfoundland. In the south, it occurs along the Rocky Mountain to Apache County in Arizona and New Jersey in the east. It occurs in a variety of open wooded habitats, ranging from marshes, fens and bogs to transition parkland and prairie.