A sparse and scattered distribution in Scotland with most Outer Hebridean records coming from the southern end of South Uist and Eriskay. The flight period is June to July over south-facing coastal outcrops where wild thyme (Thymus drucei), the larval food-plant, is often common.

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.