Hornbeam

Gracillariidae
1	Mine on upperside of leaf [7+9-10]	Phyllonorycter esperella 343
	Mine on underside of leaf	2
2	Mine subrectangular, distinctly inflated with a strong central crease, epidermis mottled; all parenchyma consumed but nervures remain, larva feeds later in a folded leaf-edge usually making two such folds [6-7+9-10]	Parornix carpinella 302a
	Mine elongate between veins usually not reaching leaf edge, strongly spun and arched; without reticulated appearance; lower epidermis green, larvae pale yellowish green with a light brown head [6-7+9-10]	Phyllonorycter tenerella 318
	Mine between two veins with a strong central crease varying in length depending on spacing of veins often with more than one mine in a leaf; larvae yellow with anterior segments opaque whitish yellow with a brown head [7+10]	.Phyllonorycter messaniella 321