Willow Bean Sawfly - Pontania bridgmanii

    Alt Name
    Bean Gall

    Pontania bridgmanii is a sawfly that causes a gall to form on certain species of Willow.

    Identification difficulty

    Adult Gall


    Hedgerows and damp places where the host willow trees are present.

    Life History

    The larva is found inside the Willow Bean Gall on various species of willow.

    UK Status

    Common in Britain.

    VC55 Status

    Common in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map