Common in broad-leaved woodland, gardens, and areas with scattered trees throughout England, a species of conservation concern under the UK Biodiversity Action Plan. In Hampshire and on the Isle of Wight widely distributed, but not particularly common. Wingspan 38-50 mm. No other similar species has such a late flight period. Larva feeds on Pedunculate Oak, Hawthorn, Blackthorn, Hazel, Goat Willow, Small-leaved Elm and Common Lime.