Family: Gracillariidae       Sub-family: Gracillariinae 301     *     Parornix betulae Leaf mine photographs on Birch, Betula. UK. September 2011, . Wingspan: 9-10mm. Need gen.det to separate from other Parornix spp. Flight time: May and August. Food plant: Birch (Betula spp.) Mine: June and September-October Egg on underside. Initially forms a Phyllonocter-like mine but brown rather than green beneath, clumped frass in a corner. The larva leaves the mine and continues feeding in downwards fold of the leaf margin or tip.

Parornix betulae
Leaf mine on Birch, Betula. UK. September 2011