Pear

Nepticulidae
1	Mine gallery with dispersed frass leading to blotch [8-4]	Ectoedemia atricollis 29
	Mine formed otherwise	2
2	Mine irregular usually with linear frass, though some slight coiling may be present, broader in second half, larva green [6-7+8-9]	Stigmella minusculella 91
	Mine with dispersed or coiled frass in second half	3
3	Mine relatively straight, extending across the leaf; larvae green with yellowish gut [9-10]	Stigmella oxyacanthella 100
	Mine strongly contorted and confined to a small area; larvae green with reddish gut [7+9]	Stigmella pyri 101
Lyonetiidae
Mine a brown circular blotch with the frass forming darker spiral markings in the centre. Egg laid well away from margin [8-9]		Leucoptera malifoliella 260
Bucculatricidae
Mine short contorted, linear black, close to a major vein. Later the larva eats out windows from upperside [7-8]		Bucculatrix bechsteinella 275
Gracillariidae
1	Mine on upperside of leaf	2
	Mine on underside of leaf	3
2	Blister anywhere on upper surface of leaf, flecked with blackish frass [7+9-10]	Phyllonorycter corylifoliella 332
	Blotch over midrib, silvery-white [7+10-4]	Phyllonorycter leucographella 332a
3	Creased mine under leaf lower epidermis green [7+9-10]	Phyllonorycter oxyacanthae 323
	Mine long 20mm to 30mm, narrow between two lateral ribs with many longitudinal creases puckering the leaf [7+9-11]	Phyllonorycter mespilella 325
Gelechiidae
Mine short near midrib, brown, irregular with scalloped edges, very little frass in mine, autumn only, larva feeds externally after hibernation [8-10]		Recurvaria nanella 757