Common in deciduous, especially oak, woodland, mature hedgerows, parks and gardens throughout the British Isles. Widespread and reasonably common in Hampshire and on the Isle of Wight. Wingspan male 31-37 mm, female wingless. Much more delicate than the superficially similar Mottled Umber Erannis defoliaria. Larva feeds on Pedunculate and Sessile Oak, over-wintering as a pupa.
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