Walckenaeria unicornis


    Males 1.8 to 2.2 mm, females 2.0 to 3.1 mm, dark (almost black) body, red-orange legs with pale annulations.

    Similar Species

    Other Walckenaeria species. 

    Identification difficulty
    ID guidance
    • Tibial spines: 2-2-1-1;
    • TmIV: present;
    • TmI: 0.55 to 0.65;
    • Epigyne and male palp are characteristic.
    Recording advice

    Microscopic examination of genitalia is required to confirm identity.


    Found in a variety of habitats.

    When to see it

    All year round.

    UK Status

    Widespread throughout England and Wales.

    VC55 Status

    Widespread and common in Leicestershire and Rutland but under recorded.

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map