Aceria pseudoplatani

    Description

    Aceria pseudoplatani is a gall mite that causes a gall to form on the leaves of Sycamore. The upper surface of the gall is usually distinct and yellowish, with or without a bulge; the underside is white or cream when fresh, browning with age. The gall is seen more frequently than the mite that causes it.

    Identification difficulty

    Adult Gall

    Habitat

    On the leaves of Sycamore.

    When to see it

    Summer when the leaves are present on Sycamore.

    UK Status

    Widespread and quite common in Britain.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland.

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    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map