Last modified: April 11, 2021, 3:41 p.m.
A rather common species throughout Belgium.
Native
The larva lives in a folded leaf on the food plant. It pupates in a flimsy cocoon amongst detritus on the ground and hibernates as a pupa.
The adults use to rest on trunks during the day and later come to light.
The adults fly in May towards late July.
The larva lives in a folded leaf of Betula or Alnus.