Last modified: Sept. 27, 2020, 5:02 p.m.
A rather common species throughout Belgium.
The adults fly in May towards late July. They use to rest on trunks during the day and later come to light.
The larva lives in a folded leaf of Betula or Alnus. It pupates in a flimsy cocoon amongst detritus on the ground and hibernates as a pupa.