Food Plant: Populus tremula (Aspen)  

Egg: On leaf-stalk

Mine: July - November

Notes: Gall in petiole, later mine in leaf-blade, in “green island" (as shown here). The larva position can be seen diagonally along the left vein on the green island

Data: 13.x.2005, Fleet, Hants, VC12

Image:© Rob Edmunds