Last modified: Jan. 9, 2023, 5:11 p.m.
A very rare and local species in Belgium, hitherto only known from AN and LI.
The larva lives in a silken tube under scales of bark of mature Larix decidua where it feeds on the needles.
It hibernates as a full-grown larva under the bark.
The adults fly freely during the early morning and later come to light.
The adults fly from mid May till July.
The larva lives in the bark of mature Larix decidua.