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.  An early stage of the larva is seen as it window feeds on the leaf, having recently vacated the gallery.

Data: 25.vii.2005, Fleet, Hants,VC12

Image:© Rob Edmunds