Common across the archipelago in a wide range of habitats. On the wing from June to August seeking the food-plants, which are bedstraw (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.