Last modified: Feb. 3, 2021, 3:55 p.m.
A very rare and local species in Belgium, mainly known from the Kempen and some locations in the southern part.
Hibernates as a larva and pupates in a though cocoon.
The 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.