Last modified: April 25, 2020, 3:16 p.m.
A very rare and local species in Belgium, mainly observed in the limestone area.
See also bladmineerders.be
The adults have mainly been observed in May.
The larva makes a large brown blotch mine in the lower leaves of Inula conyzae. Sometimes several larvae occupy the same mine. Pupation amongst leaf-litter on the ground.