Gracillariidae     Lithocolletinae ABH 15.059 B&F 338   *   Phyllonorycter cavella Leaf mine on Birch, Betula. September 2015. Identification needs confirming. Possibly Phyllonorycter ulmifoliella Wingspan: 6-9mm Flight time: Food plant: Birch (Betula spp.) Mine: September-October Egg is laid on the underside of the leaf. A large (15-22mm) lower surface, tentiform mine is formed, with more than six creases on the lower epidermis

Phyllonorycter cavella
Lesley's Heath, Dorset. September 2015