Just two records from Eriskay as of 2024. Found on the coast, moorland and gardens from September to October. The larvae feeds on junipers (Juniperus) species, including garden varieties.

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.