Wingspan 41 - 48mm. The wings are mostly grey with a variable amount of brown markings. there is a black mark towards the front edge of the fore-wings and a broad black band behind the head.
Damp grasslands, woodland rides and marshes. The larvae mainly feed on tufted vetch.
Status and distribution
Local, mostly in the southern half of Britain. Fairly common and widespread in Nottinghamshire and at Netherfield Lagoons.
Best time to see
June to July.