A common but elusive species flying in June to August. Can be seen by day and also comes to light. The larval food-plants are a range of shrubby plants including heather (Calluna vulgaris), bilberry (Vaccinium myrtillus) and willows (Salix spp.).

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.