Porcellio spinicornis


    A particularly attractive woodlouse. Fully grown it reaches about 12 mm long. It has a black head, black eyes, and a dark central stripe with a row of yellow blotches down either side. Antennae with two flagellal segments

    Similar Species

     Philoscia muscorum (Common Striped Woodlouse) also has a dark central band but has a 'stepped' outline, unlike the smoother outline of Porcellio spinicornis.

    Identification difficulty

    It is common in gardens where it likes mortared walls.

    When to see it

    All year round.

    Life History

    It can run quite fast, but usually stays still for a while when first disturbed.

    UK Status

    Widespread and locally common in Britain.

    VC55 Status

    Common 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