Sphaeroderma testaceum


    There are two very similar species of Sphaeroderma in Britain and both feed on Thistles. This is likely to be S. testaceum. It is a small (3.5 to 4 mm) broad oval species with light brown shiny elytra.

    Identification difficulty

    Found wherever the foodplants, various species of Thistle and occasionally Common Knapweed are abundant, including roadsides, wasteland, woodland etc.

    When to see it

    May/June to September.

    Life History

    Pupation occurs in the spring and new generation adults are seen from May. Both larvae and adults feed on leaves.

    UK Status

    Common and widespread in England and Wales, less so further north.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland. There were a total of 29 VC55 records for this species up to March 2015.

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map