Rare, first recorded on the Outer Hebrides in July 2009 with just two subsequent records. Once recorded as a subspecies along with Freyer's pug but now synonymised. The main flight period is from May to June. Juniper (Juniperus communis) and members of the family Cupressaceae are the larval 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.