Last modified: Nov. 18, 2025, 5:26 p.m.
A rather common species throughout Belgium, more observed in the northern part.
This species is considered Least Concern according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as a pupa in a tough underground cocoon.
The adults come to light, sugar and sallow catkins.
The adults fly from mid-February till May in one generation a year.