The leading edge of the forewing of this moth is slightly concave in the middle, a feature which assists in its identification. The forewings tend to be narrower and more tapered than similar species
Well distributed and fairly frequent along the south coast of England and in western Wales, common in the Channel Islands. Confined to smaller areas inland but widespread throughout England and Ireland. More restricted in Scotland with the species’ upper limit at the Moray Firth.
Occurs on coastal cliffs, sand dunes, shingle, calcareous grassland and moorland.
Local