Last modified: June 4, 2024, 10:10 a.m.
A fairly common species throughout Belgium, more observed in the northern 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 on or near a bud of the food plant.
Pupates in a tough, boat-shaped cocoon on the underside of a leaf of the food plant.
The adults come to light and sugar.
The adults fly from late May towards early August in one generation. In favourable years a small partial second generation occurs during September, but it's seldom recorded.
The larva lives on Quercus or Betula.