Last modified: Dec. 9, 2024, 1:41 p.m.
A fairly common species throughout Belgium.
This species is considered Least Concern according to the IUCN Red List category for Flanders 2023.
Native
Hibernates as a pupa, in a tough boat-shaped cocoon either on the underside of a leaf of the food plant or in a bark crevice. The adults come to light.
The adults fly usually in one generation a year from May till the beginning of July. In favorite conditions, a smaller second generation occurs from the end of July till the beginning of September.
The larva lives mainly on Quercus or Betula, but also on other deciduous trees including Ulmus, Corylus and Populus tremulus.