Common in damp woodland, marshes, fens and gardens throughout the British Isles, a species of conservation concern under the UK Biodiversity Action Plan;. Well distributed across much of Hampshire and on the Isle of Wight. Wingspan 29-35 mm. Potential confusion species all lack basal streak on forewing and emerge earlier in the year. Larva feeds on most species of Sallow, amongst which the larvae are often common in the spun shoots, over-wintering as an egg.