Gracillariidae

15.075 Common Birch Leaf-miner Phyllonorycter ulmifoliella (Hübner, [1817])

Common

Similar species:

Forewing: 3.5 to 4.5mm

Habitats: Deciduous woodland and heathland.

Habits:

Foodplant: The larva forms a small mine on the underside of a birch leaf which gives a dried brown appearance to the upperside. There are up to six folds on the underside giving the appearance of one large fold. The leaf margins curve downwards due to the contraction caused by the mine. It pupates in a cocoon in the mine.