Common in heathland, moorland, rough grassland and downland throughout the British Isles, a species of conservation concern under the UK Biodiversity Action Plan. Local in Hampshire and on the Isle of Wight, with occasional wanderers turning up away from established localities. Wingspan 32-38 mm. Unlikely to be confused with any other British species, except on Shetland where Ingrailed Clay Diarsia mendica thulei
resembles E. glareosa
. Larva feeds on Heather, Bell Heather, Silver and Downy Birch, Bedstraw, Bluebell.