Common and widespread in broadleaved woodland, scrub and gardens from late March to May. The larvae feed on a variety of woody and herbaceous plants including bilberry (Vaccinium myrtillus), willows (Salix spp.) and bedstraws (Galium 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.