fairly common species throughout Belgium, but restricted to wet
larva feeds below the surface of the water between spun leaves of
several aquatic plant species like Potamogeton
spp., Elodea, Ceratophyllum demersum,
or Nuphar lutea. It hibernates. Pupation takes
place in a large, pinkish, oval cocoon attached to a stem or debris.
adults fly from the end of May till early September. They are active at
dusk and later come to light.
Hainaut, Labuissière, 01 May 2008.
male (Photo © Jean-Yves Baugnée)