Last modified: March 4, 2021, 3:27 p.m.
First observation in Belgium was in May 2004 in LI, the second one in June 2006 and several individuals were seen during 2007. The species has slowly expanded it area to almost all Belgian provinces (2020) and is not so rare nowadays. This species has a limited distribution in Europe.
The species hibernates in the larval stage.
The adults fly in the early morning, the males are assembling for the females, but also come at light during the night.
The adults fly from late April till June, sometimes till late July.
The larva lives on decayed wood of Betula and Salix.
Sandy soils on which Betula or Salix grows, forest margins