Last modified: Feb. 19, 2021, 11:58 a.m.
A very rare and local species in Belgium. Mentioned for the first time in Belgium in 2011 in LG.
The egg is deposited on the underside of the leaf usually close to a vein.
The mine of this species is very characteristic, the initial gallery is circling around the egg-site before making an irregular gallery with an interrupted frass line. The leaf turns red in the surroundings of the mine.
See also bladmineerders.be
The cocoon is white.
There are probably two generations a year in Belgium.