Wingspan 27 - 35mm. The fore-wings are strongly hooked at the tip. The ground colour varies from pale buff to deep buff and all four wings have a reddish hind border. The fore-wings have a black spot half way along their rear edge.
Woodlands and heaths, where the larvae feed on birch.
Status and distribution
Common and well distributed in England, Wales and southern Scotland. Common in Nottinghamshire and at Netherfield Lagoons.
Best time to see
April to October in two broods.