The wingspan is about 13–17 mm.[3] The forewings are ferruginous. The costa is strigulated with black and posteriorly with white. There is a subquadrate dark ferruginous-brown dorsal blotch reaching from the base to the middle, posteriorly whitish-edged and a thick very oblique deep ferruginous streak from middle of costa, sometimes reaching termen beneath apex. The hindwings are rather dark grey. The larva is dull green; head and plate of 2 yellow -brownish, blackish-marked[4] Julius von Kennel provides a full description.[5]
^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