This scarce species of heath and moorland flies during June and July and has been recorded on just a handful of occasions from North and South Uist. Heather (Calluna) and bilberry (Vaccinium myrtillus) are the known food-plants.

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.