Tenthredo ferruginea


    Length 10 to 13 mm. Thorax is black with pale side bands. The black antennae have a broad white band towards the end. The abdomen colour is variable but is usually red, or reddish-yellow, with some black. The wings have a unicolorous yellowish-brown stigma. The top of the head is punctured with a bronze sheen between the punctures.

    Similar Species

    Other species also have the white banded antennae and a white 'mouth'.

    T. livida can be distinguished by having two-tone stigma - the apical two thirds brown and the basal third pale.

    T. balteata has a black or dark brown stigma.

    Identification difficulty

    Hedgerows and woodland

    When to see it

    May and June

    Life History

    Larvae feed on leaves of various plants.

    UK Status

    Fairly frequent in Britain, but not well recorded.

    VC55 Status

    Uncommon 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