Last modified: Sept. 28, 2022, 2:40 p.m.
A rare but widespread species throughout Belgium.
See also bladmineerders.be
The larva feeds internally on the needles of various species of Pinus, and after hibernation it feeds in the same needle and later on moving towards a new shoot where boring through the sheaths into the bases of needles.
The adults have been observed from July to September. They come to light.