Last modified: Jan. 14, 2022, 1:45 p.m.
A very rare and local species in Belgium.
For a conclusive determination, examination of the genitals is necessary.
Top of labial palps whitish differs with the otherwise similar Monochroa servella wich are grey-brown.
See also bladmineerders.be
The larva lives at first on the tip of the leaves and in young top shoots of the food plant.
Pupation probably outside the mine.
The adults fly in one generation a year: from June till August.
The larva feeds on Lysimachia sp. especially on L. vulgaris.