A very common species across Scotland including the islands. Found in moorland particularly associated with bracken (Pteridium aquilinum). The larvae feed on the nutrient-poor roots of bracken and grasses and possibly herbaceous plants as well. A primitive moth with a two-year life cycle. Adults are on the wing from late May to early August.

References: 
Leverton, R. & Cubitt, M. (2024). The Larger Moths of Scotland.
Waring, P. & Townsend, M. (2018 third edition). Field Guide to the Moths of Great Britain and Ireland.