Gracillariidae     Gracillariidae ABH 15.029 B&F 304   *   Parornix devoniella Leaf mine photographs on Hazel, Corylus. Wingspan: 9-10mm Season: Two generations, May-June and August Food plant: Hazel (Corylus avellana) Mine: July and September Egg on underside. Initially a triangular or squarish blotch is formed, then the leaf margin is folded upwards with two or three folds

Parornix devoniella
Leaf mine on Hazel, Corylus. Dorset. August 2013