Food Plant: usually Potentilla reptans (Creeping cinquefoil), occasionally in Filipendula ulmaria (Meadowsweet), Potentilla anserina (Silverweed), Agrimonia (Agrimony), Rubus (Bramble) and Fragaria x ananassa (Garden Strawberry)

Mine: Bivoltine: early summer & autumn.

Pupa: Outside the mine

Notes: A short broad upper surface corridor leading to a long blotch between veins. Formerly Agromyza potentillae. The puparium is shown in dorsal (top), ventral (middle) and lateral view (bottom photo).

Data: 30.x.2017,Downham Market, Norfolk, VC28

Image:© Rob Edmunds