Diastictis benigna, n. sp.

Expands 23 mm. Palpi rather long, heavy, drooping, blue-gray; front, thorax and abdomen blue-gray, the latter whitish lined posteriorly on segments. Fore wings bluish-gray, lightest on middle field, mixed with some black scales; basal line faint or obsolete, marked by a black spot on costa; middle line beginning with black spot at costa, then through black lengthened discal spot, then obsolete; outer line with black spot at costa, otherwise obsolete; outer field darker towards margin, with a large brown submarginal shading between 3 and 5. Hind wings even, smooth, blue-gray. Beneath dark bluidh fuscous on all wings, becoming blackish along outer margins; costa of fore wings speckled with black and gray.