Arge ustulata


    Length 7 to 10 mm. All black with a broad body. The wings have an obvious dark 'window' and orange along the veins and leading wing edge.

    Similar Species

    Arge berberis is the only other dark bodied sawfly recorded in VC55 so far. This has dark legs and no wing cloud.

    Identification difficulty
    ID guidance
    • dark bodied
    • pale legs
    • smoky wings with a wing cloud

    Hedgerows, woodland rides, etc.

    When to see it

    May to July

    Life History

    The larvae live on various trees and shrubs, whilst the adults will take nectar and pollen from flowers such as Hogweed.

    UK Status

    Widely distributed in Britain, though seemingly not particularly common.

    VC55 Status

    Occasional 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