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 pupa is shown.

Data: 07.x.2016, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington