A not so common and local species in Belgium. Most records are from the northern part.
larva lives on Phragmites australis.
inside the stem during daytime. Hibernates as a fully grown larva,
generally in a hollow, broken, but standing, dead stem or in fallen
reed litter, sealed with silk and pupates there in the spring.
adults fly in one generation a year; from early May till end of July.
Sometimes a partial second generation occurs from late August towards
late September. They come to light and sugar.
Antwerpen, Viersel, 28 May 2005.
(Photo © Maarten Jacobs)