A common moth, found widespread throughout Britain.
The species is bivoltine, with a flight period in late May and June and again in August.
The mines are found on Sallow species (Salix) in July and then September to early November
and are large and not regularly shaped. They can be confused with Phyllonorycter dubitella
mines and the moths should be bred out to confirm identification.
Leafmine (British Leaf Mining Fauna)