Last modified: April 23, 2019, 12:44 p.m.
A common species in Belgium.
The egg is deposited on the upperside near the midrib or near a big lateral vein.
The larva makes a fine gallery leading to a blotch close to the midrib or lateral vein. The larva makes a slit in the corner of the mine through which the larva removes a part of the frass.
See also bladmineerders.be
The cocoon is reddish brown.
The adults fly from lae May till the end of July. They rest on the tree trunk and come to light.