Jumping Plant Louse - Trichochermes walkeri

    Alt Name
    Rolled Leaf Gall

    The Jumping Plant Louse, Trichochermes walkeri, causes the leaf margin to curl and a gall to be formed on the leaves of Purging Buckthorn. The gall is more likely to be seen than the adult plant louse.

    Identification difficulty

    Adult Gall


    Any area where Buckthorn is present.

    UK Status

    Not scarce but rather local and limited by the range of the host plant Purging Buckthorn in Britain.

    VC55 Status

    Uncommon or under recorded 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