Last modified: Oct. 8, 2020, 2:30 p.m.
A common species in the northern part of Belgium, much rarer in the southern part.
See also bladmineerders.be
The larva lives in spun shoots. Pupation in a spun shoot, or in a folded leaf nearby the feeding place. The species hibernates in the adult stage. Adults can be found in thatch. They are active at night and come to light.
One generation a year: July–August, after hibernation till May of the next year.
Both damp and dry situations where the foodplant occurs.