Rare and designated as Nationally Scarce A, it was first recorded on the Outer Hebrides in 2010. This is an extension of the known population based on Canna, Rum and the Ardnamurchan peninsula. The preferred habitats are heather moorland and coastal areas where the foodplants grow. Active during July and August. Heather (Calluna vulgaris) and bird's-foot trefoil (Lotus corniculatus) are the preferred foodplants