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A medium sized crambid (20-28 mm wingspan) with porrect labial palps. Females generally larger than males. The palps, head and thorax are grayish white. The forewings are grayish white with pale veins and a scattering of dark brown scales, cross lines absent except occasionally with a faint ST line. The terminal space is of the same color as the rest of the forewings and it contains three or four dark dots. The fringes are of the same color as the rest of the forewings. The hindwings are grayish white. Distinguished from other Alberta species of Pediasia by a combination of its smaller size, pale gray color, pale veins and coarse, dark dusting on the dorsal side of the forewings. The male genitalia are illustrated by Klots (1942).

A North American species, known primarily from the northeast. In his description, Klots (1942) reports the species from Quebec, Ontario, Nova Scotia and New Brunswick. Listed for Michigan by Nielsen (1998). Not mentioned for Alberta by Bowman (1951). Reported from the province from the vicinities of Cooking Lake, McKenzie Crossing, Olds, Tolman Bridge and NE of Zama City by Pohl et al. (2005). Additional collections have been made in a number of other locations, all in the prairies and aspen parkland.