Very common across the archipelago flying from April to October in two generations. Found in gardens, scrub, machair and many other habitats. The larvae feed in herbaceous plants in the Brassicaceae family.

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.