An endangered Red Data Book species, protected under the UK Wildlife and Countryside Act, and a priority species under the UK Biodiversity Action Plan, in woodland clearings and flower meadows; 50-150 m (0-2600 m in Europe) in parts of Cornwall, Devon and Kent; mainland Europe and Fennoscandia. Not recorded in recent years in Hampshire or on the Isle of Wight. Wingspan 40-44 mm. Larva feeds on Common Cow-wheat, Ribwort Plantain, Germander Speedwell and Foxglove.