Last modified: June 1, 2024, 2:46 p.m.
A rather rare species in Belgium, more observed in the northwestern part of the country.
This species is considered Least Concern according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as a small larva, communally in a silk web on the food plant. Later, it pupates in a hairy cocoon, usually in a bark crevice or among foliage on the food plant.
The adults come to light. Occasionally found by day, resting on the underside of leaves.
The adults fly in one generation a year; from mid May towards mid August.