Stigmella aceris

    Alt Name
    Scarce Maple Pigmy

    Wingspan 3.7 to 4.7mm.

    Identification difficulty

    Adult Leafmine

    ID guidance

    Leafmine occurs on Field Maple (and sometimes on Norway Maple).


    Found in woodland, gardens, hedgerows and parkland in areas where Field Maple is present.

    When to see it

    Bivoltine May-Jun and again in August.

    Life History

    The larvae mine the leaves of Field Maple from end of June-early July, then in August-early September.

    UK Status

    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.

    VC55 Status

    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.

    4.012 BF102

    Leicestershire & Rutland Map

    UK Map