rather common species throughout Belgium.
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.
adults fly in May towards early July. They use to rest on trunks during the day
and later come to light.
Limburg, Kinrooi, 13 May 2005.
(Photo © Chris Steeman)