Last modified: May 7, 2024, 11:37 a.m.
A very rare and local species in Belgium. Nowadays most observations come from the southern part of the country.
This species is considered Critically Endangered according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as a pupa in a cocoon under the ground near the food plant.
The males come to light, females occasionally.
The adults fly in one generation a year onwards from beginning of May till end of June.
The larva lives on deciduous trees with a strong preference for Quercus.