The White-striped Black is a small moth with a wingspan of approximately 1 inch. The forewing is black with a white bar across it that narrows and meets a terminal white wedge near the inner margin. There are also pale zigzag lines near the base of the wing. The hindwing is black with variable amounts of white on the terminal edge. It sometimes has a broken white bar across the wing. The body is black with narrow white bands.
The frequency of occurrence is not known in Fontenelle Forest and Neale Woods. They have been photographed in June and August on the Geology Trail at Camp Brewster at the bottom of the hill in the area of the springs and seeps. Adults fly during the day from April to September in damp woods where the larval foodplant grows.
The larval foodplant is Impatiens or Touch-me-not. The slender caterpillar is green and twig-like with a black line across the face. There are 3 species in the genus Trichodizia in North America.
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