Last modified: Aug. 25, 2020, 7:12 p.m.
A rather common species throughout Belgium.
See also bladmineerders.be
The adult flies from late May till early September. They come to light.
The larva feeds at first between some needles of Larix spun together. It has been observed also on Picea sitchensis. After hibernation it feeds in the expanding buds. Pupation in the larval feeding place.