common species throughout Belgium, preferring wet habitats.
larva lives on Phragmites australis and on various grasses like Dactylis glomerata and Calamagrostis epigejos. Hibernates as a young larva and pupates in a papery cocoon.
adults fly in one generation a year; from mid June till late August.
Very rarely, a partial second generation occurs from September till
early October. They come to light, males more frequently than females.
Luxembourg, Wellin, 24 July 2004.
male (Photo © Chris Steeman)