Food Plant: Rhamnus (Buckthorn), Frangula (Alder Buckthorn).

Egg: Underside of leaf

Mine: August - September

Notes: The mine starts as a tight spiral, staining leaf-tissue purple. The cocoon is formed on a leaf (as shown) or debris. It is characteristically ridged.

Data: 24.ix.2006, Fleet, Hants,VC12

Image:© Rob Edmunds