A frequent and common moorland species found from May to June. Heather (Calluna vulgaris), bilberry (Vaccinium myrtillus), and similar species are the main food-plants.

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.