Food Plant: Populus nigra (Black Poplar), + var. italica (Lombardy Poplar).

Egg: Usually underside of the leaf

Mine: June, August

Pupa: Under a membrane on the margin of leaf

Notes: A 'snail-trail'-like mine on the upper surface, long and sinuous, without any visible frass. The mine can sometimes cover most of the leaf.

Data: 2002, Fleet, Hants,VC12

Image:© Rob Edmunds