Distribution and Abundance: Local.

Primary Habitat: Wetland.

Flight Period: Single brooded in July and August.

Localities: Sywell, Pitsford Reservoir, Sulby Gardens and King’s Wood.

Observations: The moth occasionally turns up in garden light traps, but is much more at home in marshy areas where its foodplants the reed canary-grass and the reed sweet-grass grow. With ten moths being seen it was common on 27 July 1996 at m.v. lights at Whitewater Reservoir and is usually taken in fair numbers annually in the Pitsford Reservoir static light traps.

First Record: 1940, Pilcher.