A scarce species in Scotland with an eastern distribution. The South Uist population is noted for its melanic form suffusa Tutt. The flight period is June to September and has no defined habitat requirements. Larval food-plants are unknown.

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.