Last modified: Oct. 14, 2023, 3:40 p.m.
A common species in Belgium. A species of fluctuating occurrence: sometimes absent, sometimes a pest in oak forests. It has mainly been observed in the Kempen region, but occurs also in many other regions.
Hibernates as an egg.
The adults come to light.
The adults fly mainly in July and August, sometimes till late September, though some specimens have been observed as early as 28 May.
The larva lives on Quercus.