Food Plant: Salix fragilis (Crack willow), Salix viminalis (Osier) and other willows.

Mine: Bivoltine: summer & early autumn

Pupa: Outside the mine or at end of mine

Notes: An elongated yellowish blotch, either upper surface, lower surface or starting lower surface and ending upper surface. England south of Midlands

Agromyzidae Recording Scheme Grade: 3

Data: 12.vii.2019, Downham Market, Norfolk, VC28

Image:© Rob Edmunds