Nationally scarce (Na) in mountains and high moorland, up to 850 m, in the Scottish Highlands, Outer Hebrides, Orkneys, Pennines and Lake District, a priority species under the UK Biodiversity Action Plan. Unlikely to be recorded in Hampshire or on the Isle of Wight. Wingspan 34-40 mm. Fairly unmistakable. Larva feeds on Crowberry, over-wintering twice.