Last modified: July 5, 2024, 5:03 p.m.
A rare species throughout Belgium, mainly observed in the Kempen and the southern part.
This species is considered Least Concern according to the IUCN Red List category for Flanders 2023.
Native
Young caterpillars live together in a light spinning, the caterpillars later spread. Hibernates as a pupa in an underground cocoon. The adults come to light and less on sugar.
The adults fly from late March till mid-May in one generation a year.
The larva lives on Quercus, gregariously when young, separately in later stages and then also on herbaceous plants and shrubs like Prunus spinosa and Crataegus.