The wingspan is 18–24 mm. The head is dark fuscous. The thorax is ferruginous-ochreous, with a large crest. The forewings are narrowed anteriorly and pale ochreous.The base of costa, a more or less developed very large triangular often pale-centred dorsal suffusion, and the terminal streak are all deep ferruginous.The cilia are dark ferruginous-fuscous. The hindwings are grey, the termen darker.
The larva is light green head brown.[2]
Adults are on wing from May to June. There is one generation per year.
^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