common species throughout Belgium.
larva lives on dead leaves on the ground from a flat bivalved case.
Case elongate, made from several overlapping crescents of dead leaf.
Pupation in that case.
adults fly from late May till mid July. The moths are active during the
day. They sometimes fly in swarms in bright sunlight, and at dusk.
Namur, Villers-sur-Lesse, 27 May 2006.
female (Photo © Jean-Yves Baugnée)