Wingspan 3.7 to 4.7mm.
Leafmine occurs on Field Maple (and sometimes on Norway Maple). http://www.leafmines.co.uk/html/Lepidoptera/S.aceris.htm
Found in woodland, gardens, hedgerows and parkland in areas where Field Maple is present.
Bivoltine May-Jun and again in August.
The larvae mine the leaves of Field Maple from end of June-early July, then in August-early September.
Very rare in Britain as recently as the 1980s it is now becoming more frequent and has reached the English Midlands. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.
Appears to be rare in VC55 – the first record for area came from Geeston on 4th October 2018, but was found again at Willowbrook Park on 8th October 2018.
Leicestershire & Rutland Map
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