Gracillariidae     Lithocolletinae ABH 15.064 B&F 342   *   Phyllonorycter coryli   *   Nut Leaf Blister Moth Leaf mine photographs on Hazel, Coryllus avellana. Wingspan: 7-9mm Season: May and August Food plant: Hazel (Corylus) Mine: July and September-October Upper surface mine over vein. Initially appears as a flat, silvery blotch with brown speckles, then contracts, folding leaf upwards. Frass in opposite corner to pupa. Can be several mines in each leaf.

Phyllonorycter coryli
Leaf mine on Hazel, Corylus. Dorset. August 2013