The wingspan is . Adults are on wing from May to July. There are two generations per year.The head is grey, face whitish. Forewings light grey irrorated with dark fuscous ; a very indistinct oblique whitish fascia before middle, usually partly or wholly obsolete ; a small tornal spot and larger triangular spot on costa somewhat beyond it ochreous-white.Hindwings are grey..Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and description
