Last modified: April 23, 2019, 12:44 p.m.
First observation in our country was during 2009 in a locality from the province of Luxembourg. Found in the following year in the province of Liège.
The larva is green.
The larva makes a short slender gallery that is generally confined to a small area of the leaf. The frass is linear throughout.
See also bladmineerders.be
The adults fly in one generation a year; mainly during May and June.