A scarce species with almost all records coming from just two garden sites. The flight period is from June to August over marshy, boggy habitats but also gardens. The larvae feed on reed canary-grass (Phalaris arundinacea) and reed sweet-grass (Glyceria maxima).

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.