Last modified: Oct. 18, 2023, 3:47 p.m.
A common species throughout Belgium.
Native
Hibernates as pupa in a cocoon between leaves. The adults come to light.
The adults fly in two generations per year from mid-April till mid-June and again from early July till early September. Sometimes a third and partial generation occurs.
The larva lives mainly on Betula, but has also been found on Alnus glutinosa.