Frequently found in a wide range of habitats during July and August. Quite variable in colour with the main cross-band ranging from blue-grey to dull red. The red forms can easily be confused with red twin-spot carpet (Xanthoroe spadicearia).

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.