Last modified: Sept. 3, 2024, 1:54 p.m.
A local and very rare species in Belgium, only known from the northern part. Can be locally common in some brackish salt marshes and estuaries.
Native
The young larva mines the leaf of his host plant, the initial mine is in part of the layers of a leaf, later when it leaves, it makes full-depth shorter mines and sometimes creates windows.
Pupation in a white cocoon.
The adults are active in late afternoon sunshine and later come occasionally to light.
The adults have been observed from June till August.
The larva mines the leaf of Tripolium pannonicum.