Wingspan 35mm. The fore-wings are a pale creamy white with many thin, curved brown lines across them. The wings are darkened towards the rear, inner corners. The male normally rests with the tip of its abdomen curled upwards.
Woodland and scrub, where the larvae feed on Oak, Birch and Willow.
Status and distribution
Fairly common and well distributed in southern England and Wales, becoming local elsewhere. Fairly common in Nottinghamshire and at Netherfield Lagoons.
Best time to see
May to June.