Last modified: Jan. 20, 2020, 3:51 p.m.
A fairly common species throughout Belgium.
See also bladmineerders.be
It makes a transparent blotch in the leaves of the food plant, mines are usually found in shady places and often several mines in a leaf. Pupates in an open network cocoon usually amongst debris on the ground. Hibernates as an adult in dense cover. They come to light.
The adults fly in two generations a year; during July and again from October onwards till April.