Last modified: Feb. 11, 2020, 8:10 p.m.
A widespread and rare species in Belgium.
The adults fly from May to June. They are active in early afternoon to an hour before sunset flying around the tops of the foodplants. They come to light.
The larva lives in a spinning or rolling leafs of Betula, Ulmus and Quercus. It hibernates full-grown in the larval habitation in a cocoon.