Wingspan 64 - 74mm. A large moth with a map-like pattern of lines and patches of different shades of brown.
A wide variety of woodland and marshy places. The larvae feed on a variety of woody and herbaceous plants, including dock, ivy and hawthorn.
Status and distribution
Local but found throughout Britain, though commoner in the south. Local in Nottinghamshire and regular at Netherfield Lagoons. Caterpillars and moths have often been found along the Ouse Dyke.
Best time to see
July to September.