Wingspan 17 - 23mm. The background colour is yellowish with the wing veins picked out in black. About one-third of the way from the wing tips there is a yellow bar, bordered with black. The antennae are at least three times as long as the closed wings.
Damp woodland, the larvae feed on dead leaves.
Status and distribution
Common and widespread over most of England and Wales. Common in Nottinghamshire and at Netherfield Lagoons.
Best time to see
May to June.