Fig 1
ADULT: Wingspan 45-55mm.  Males are smaller than females and are darker in colour.  Forewings are buff to dark reddish-brown with a yellowish cross-band that fades towards the outer margin.  A central white dot on the forewing is conspicuous.  Wings held in tent-like fashion. CHRYSALIS: Overwinters.  Black-brown. barrel-shaped cocoon located in grass. LARVA: September to early June on various trees and shrubs such as oak, hazel, bramble and sea buckthorn. BEHAVIOUR: Female is attracted to light.  Male is a day flyer with rapid zigzag flight. HABITAT: Woodland, coastal areas, sandhills, heathland  and chalk downs. FLIGHT PERIOD: Single brooded.  July to August. STATUS: Resident.  Common.

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