The wingspan is 12–16 mm. The forewings are grey, often obscurely striated or suffused with whitish. The large basal patch has an angulated edge, and is anteriorly suffused. The central fascia has a posterior median projection and is suffusedly dark fuscous, sometimes blackmarked. There are some small dark fuscous spots on costa posteriorly, and a suffused streak beneath them from the apex. The ocellus is broadly edged with light metallic-grey. The hindwings are grey; in male beneath suffused with black towards the costa.
The larva is light grey-green, sides more yellowish; head black or blackish - brown; plate of 2 black [3]
Adults are on wing from late June to early September.
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