Livia junci

    Alternative names
    Livia juncorum

    Livia junci is a small (2.5 mm) brown jumping plant louse that causes galls to form on certain Juncus rush species. The shoots become shortened and thickened and bunch into a mass up to 8 cm long including the flowers whose parts become leafy and thickened; reddish at first, later brown.

    Identification difficulty

    Adult Gall


    Wet areas where certain Juncus species such as Sharp Rush, Jointed Rush and Toad Rush are present.

    When to see it

    June to October.

    UK Status

    Widespread and locally frequent in Britain.

    VC55 Status

    Appears to be uncommon in Leicestershire and Rutland but this is probably due to under recording.

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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