The wingspan is 8–10 mm. The face and palpi are white. The forewings are dark fuscous. The costa has eight long white strigulae, several ending in leaden-metallic marks.There is a slightly curved broad quadrate whitish median dorsal blotch, with three parallel blackish lines, surmounted by a leaden-metallic mark. The ocellus is represented by a leaden - metallic transverse mark. The hindwings in the male are white, the apex broadly fuscous; in the femalethey are dark fuscous, lighter basally.[1]
There are two generations per year, with adults on wing in May and June and again in August. Males fly during the day, while females fly towards sunset.
^Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description