rather common species throughout Belgium.
yellow-grey larva mines internally in the blades of different species of Poaceae like Agrostis, Deschampsia, Festuca, Poa etc...Pupation outside the mine.
adults fly in two generations a year; from April towards June and again
onwards from July till September. They are active from the
evening onwards and come to light.
West-Vlaanderen, Wielsbeke, 08 April 2011.
(Photo © Steven Wullaert)