Last modified: Feb. 28, 2021, 2:43 p.m.
A fairly common species in Belgium.
See also bladmineerders.be
The larva when young makes a mine in the leafs of Cotoneaster, Crataegus and Sorbus. It hibernates as a small larva in a small white spinning attached to a twig. Later in spring it feeds externally on the leaves in a slight web, often when young with two or three larvae together.
The adults come to light.
The adults fly in one generation a year: from mid June till late July.