Last modified: Dec. 2, 2024, 5:18 p.m.
A common species in the northern half of Belgium, less common in the southern part.
Native
The larva makes a conspicuous, whitish blotch mine in the food plant. The summer brood also in Phragmites.
Pupation takes place on a leaf or stem, under a gurdle, often on the mined leaf, just below the mine.
The adults come to light.
The adults fly in two generations a year from the end of April till the end of June and from early July till mid-September.
The larva lives in Phalaris arundinacea, the summer brood also in Phragmites.