Last modified: Nov. 28, 2025, 1:59 p.m.
A fairly common species in Belgium, but overlooked, due to its difficult determination with many other greyish species.
Native
The larva lives two years. The larva mines a leaf and later lives in a series of portable cases on
Pupation in the case, generally attached to the upper surface of a leaf in a sunny position.
The adults become active shortly after sunrise and at sunset.
The adults fly in June and July.