The wingspan is 28–38 mm. There is clear sexual dimorphism in the imago, with the male having a brownish-gray color and a forewing length of 14–17 mm, and the female being white and having a forewing length of 17–19 mm.Male sooty brown-grey, usually with a black dot at the apex of the cell; sometimes without and in other cases with a few accessory dots. The female thinly scaled, milky white, with the abdomen of the same colour; wings very sparsely dotted. The moth flies April to July depending on the location.
It is found in the Palearctic ecozone east to Lake Baikal.
Lat: 45.07, Long: 13.65
Spotted on Apr 10, 2019
Submitted on May 11, 2019