Food Plant: Salix spp (Willow): Salix alba, Salix cinerea, Salix fragilis, Salix matsudana, Salix viminalis, Salix x cericans

Egg: Underside of leaf

Mine: June-July: September - October

Notes: The mine is usually on smooth leaved willows and is near the leaf base, causing it to fold over. The pupal cremaster has two thicker outer spines and two thinner inner spines (as shown). Previously P.salictella

Data: 23.x.2007, Mileham, Norfolk, VC28

Image:© Rob Edmunds