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 in this case on the lower leaf surface (it may also be found in the leaf litter).

Data: 20.viii.2005, Fleet, Hants,VC12

Image:© Rob Edmunds