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 (as shown). In small leaves the mine may occupy the whole leaf. Mine shown is on Pulicaria dysenterica

Data: 18.x.2014, bos t'Ename~Oudenaarde, (Oost-Vlaanderen), Belgium

Image:© Carina van Steenwinkel