Common across the archipelago in a wide range of habitats but most often encountered in moorland. On the wing from July to September. The larval food-plants are willows (Salix spp.) and aspen (Populus tremula).

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.