A common species, on the wing from June to August. Found in any damp, boggy site where the food-plants grow. These include sedges in the family Cyperaceae and yellow iris (Iris pseudacorus).

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.