Food Plant: Inula spp. (Fleabanes), Pulicaria dysenterica (Common Fleabane), Arnica montana (Arnica).

Mine: Summer and early Autumn

Pupa: outside or in the mine

Notes: Forms an upper or lower surface corridor, often by the midrib. The frass may be in pearl strings. The initial corridor has a double row of frass (as shown). In small leaves the mine may occupy the whole leaf. Mine shown is on Inula conyzae

Data: 25.v.2013, Roche a Lomme~Dourbes, (Namen), Belgium

Image:© Carina van Steenwinkel