to be a rare and local species, nowadays it's uncommon. In some area's
in the provinces of Antwerp and Limburg, the species is locally common.
young, the larva mines mainly the leaves or the stem of Sparganium
or Nuphar lutea. It hibernates.
Later it lives amongst spun leaves just below the surface of the water.
Pupation in a white silk cocoon attached to the foodplant at or just
below the water-level.
adults fly from late April till early September. They are active at dusk
and come to light.
Luxembourg, Libin, 15 July 2008.
(Photo © Jean-Yves Baugnée)