Wingspan: 19mm - 27mm
Imago: Univoltine in the north and bivoltine in the south of its range. Can be found on heathland and grassy slopes up to around 1500m.
Larva: Polyphagous, feeding on heather (Calluna vulgaris), crown vetch (Coronilla varia), rock rose (Helianthemum nummularium), bird's foot-trefoil (Lotus corniculatus), common restharrow (Ononis repens) and other plants.
Overwinter: As an egg