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 f.
edda. Larva feeds on Heather, Bell Heather, Silver and Downy Birch, Bedstraw, Bluebell.