Food Plant: Dock species (Rumex), including R.acetosella (Sheep's sorrel)

Mine: Bivoltine, May to September

Pupa: External to the mine. The pupa has anterior and posterior spiracles.

Notes: A common miner. The mine starts as a short corridor on the lower surface and then becomes a large upper surface blotch. Several larvae can mine together. A larva is shown in the mine.

Data: 07.vii.2020, Downham Market, Norfolk, VC28. Adults emerged 26.vii.2020

Image:© Rob Edmunds