The wingspan is 1.25 inches. The adults are sexually dimorphic. The forewing of the female is dark brown to the median line with a black orbicular dot and one tooth projecting downward. Below the median line the wing is light brown with a thin, black apical dash. The forewing of the male is blackish-brown with a square white patch on the inner margin near the postmedial line. The hindwing is dark grayish-brown, darker in the male than in the female. The caterpillar is slender and green with whitish bands on the abdominal segments. The head is shiny green.