Food Plant: Salix (Willow):   S.caprea, S.cinerea, S.fragilis, S. pentandra, S.phylicifolia.

Egg: Laid on midrib 

Mine: July - November

Notes: A gall in the leaf petiole, later the mine is in the leaf-blade, in a “green island”. Mine shown, with larva, on Sallow.

Data: 04.xi.2011, Trundle Mere, Huntingdonshire, VC31

Image:© Barry Dickerson