Food Plant: Populus alba (White Poplar), Populus canescens (Grey Poplar)

Egg: Usually upperside of the leaf

Mine: June-July, August-September

Pupa: Under a silk membrane on the margin of leaf

Notes: A 'snail-trail'-like mine on the upper surface, long and sinuous, with a dark central frass trail, ending at the leaf margin.

Data: 19.ix.2009 Dover, Kent VC15

Image:© David C Gardner