Last modified: April 11, 2021, 4:04 p.m.
A very rare and local species in Belgium.
See also bladmineerders.be
The larva makes a long and slender, irregular gallery with a central tubular retreat of silk admixed with frass in several species of Poaceae.
It hibernates as a full-fed larva in the mine.
The adults come to light.
The adults fly in one generation a year: from late May till August.
Shady forest edges.