Last modified: April 23, 2019, 12:44 p.m.
A very rare species in Belgium. Recently (2017) discovered again in LX, it was last seen in 1905 in NA.
See also bladmineerders.be
The larva mines internally in the blades. Pupation takes place within the mine. The adults are active from the evening onwards and come to light.
The adults fly in two generations a year; from late April towards June and again onwards from July till August.