Last modified: Sept. 16, 2023, 11:23 a.m.
A rare species in the north of Belgium but more frequent and in some places fairly common in the south of Belgium.
The larva lives first on the buds and flowers and later on the leaves.
Hibernates as an egg, laid singly or in small batches on branches or in bark crevices of the food plant.
The adults come to light but visit sugar more frequently.
The adults fly from September till mid-November.
The larva lives on Quercus.