Food Plant: Aster, A.tripolium (Sea Aster), Bellis (Daisy), Erigeron (Fleabane), E.canadensis (Canadian Fleabane)

Mine: Early Summer and Autumn

Pupa: inside the mine

Notes: The initial gallery by the first instar larva then leads to a whitish circular or oval upper surface blotch. The pupa is firmly fixed to the inside of the mine by an accumulation of frass. A widespread but local miner.

Data: 2003

Image:© Colin Plant