Last modified: Feb. 28, 2021, 2:50 p.m.
A rather rare species throughout Belgium.
See also bladmineerders.be
The larva lives under a slight silken web on the upperside of the leaves of the food plant. It pupates in a dense white cocoon on or close to the ground.
The adults come to light.
The adults fly in two generations a year from May till June and again during August.
The larva lives on Betula.