The wingspan is 40–53 mm (1.6–2.1 in). The forewings are black with thick and thin yellowish to cream-colored lines. Forewing pattern includes two to three pale lines extending inward from the costa. The hindwings are bright yellow with a broad black border and a black spot near the costa. Adults are on wing from May to July.
The larvae feed on a wide variety of low-growing plants, including clover and plantain.[2]
This species was formerly a member of the genus Grammia, but was moved to Apantesis along with the other species of the genera Grammia, Holarctia, and Notarctia.[3][4]