The wingspan is 12–14 mm. The head varies from reddish-brown to ochreous-whitish. Forewings are red-brown, sometimes suffusedly irrorated with dark fuscous, towards dorsum sometimes obscurely paler; second discal stigma sometimes obscurely dark fuscous. Hindwings dark grey, lighter anteriorly. The larva is light green; dorsal line dark green; head yellowish-brown.[1]
Adults are on wing in July or August depending on the location.
^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