Last modified: April 27, 2020, 2:11 p.m.
A fairly common species throughout Belgium, but restricted to wet habitats.
The larva feeds below the surface of the water between spun leaves of several aquatic plant species. It hibernates. Pupation takes place in a large, pinkish, oval cocoon attached to a stem or debris.
The adults are active at dusk and later come to light.
One long extended generation a year: from the end of May till early September.
Polyphagous on several foodplants, even from different plant families. However, the main foodplant is Myriophyllum spicatum.
Wet habitats, lakes, ponds, swamps, small rivers.