Infrequently recorded in the Outer Hebrides with most records from South Uist. It’s primarily a woodland species, but also found in established gardens, flying from June to July. The primary food-plant is 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.