Maples & Sycamore

Nepticulidae
Mine in seeds, buds or adjacent bark
On Field Maple (Acer campestre) [6-8+10-4]		Ectoedemia louisella 22
On Norway Maple (Acer platanoides) [6+9-5]		Ectoedemia sericopeza 21
On Sycamore (Acer pseudoplatanus) [7+9]		Ectoedemia decentella 20
Mine in leaves
Frass black clear margins usually on Sycamore [7-8+9-10]		Stigmella speciosa 65
Frass green no margins usually on Field Maple [6-7+8-9]		Stigmella aceris 102
Gracillariidae
Blotch mine, larva mines throughout
On Field Maple (Acer campestre) , often causing leaf edge to fold over [7+10]		Phyllonorycter acerifoliella 362
On Sycamore (Acer pseudoplatanus) [7+10]		Phyllonorycter geniculella 364
On Norway Maple (Acer platanoides) [7+10]		Phyllonorycter plantanoidella 363
N.B. If mine is close to the edge of the leaf or in a lobe then the mine may cause the leaf to fold over.
Blotch mine, larva feeds later in a rolled leaf or cone
1	A full depth transparent blotch, without internal spinning, on Sycamore; larva feeds later in a rolled leaf or cone	2
	A full depth transparent blotch, without internal spinning, on Field Maple; larva feeds later in a rolled leaf or cone	3
2	Mine about 6mm long (very rare) [7-8]	Caloptilia hemidactylella 291
	Mine about 4mm long in angle between veins, after leaving mine three cones are made occasionally on the same leaf as mine, but often on an adjacent leaf [6-7]	Caloptilia rufipennella 284
3	Mine tenanted in May, spinning in June; recorded from Isle of Wight only [5-6]	Caloptilia hauderi 295
	Mine tenanted in June, spinning in July; recorded from southern England and Wales [6-7]	Caloptilia semifascia 290