A very rare and local species in Belgium, mainly known from the Kempen and the southern part..
larva lives mainly on Populus, but also on Salix and Fraxinus. Hibernates as a larva and pupates in a though cocoon.
adults fly in one generation a year; from mid May till late July. Very
occasionally a partial second generation occurs during mid August-mid
September.They come to light.
Limburg, Kinrooi, 08 June 2003.
(Photo © Chris Steeman)