Muscina prolapsa


    Length 7 or 8 mm, bluish grey with black stripes on the thorax. Muscina flies have a reddish tip to the scutellum and the discal vein curves upwards so that the first posterior cell narrows towards the wing apex.

    Similar Species

    M. levida can be distinguished from prolapsa by its wing venation - cell r5 is wider at the apex.

    Identification difficulty
    ID guidance
    • reddish tip to the scutellum
    • the discal vein turns up to narrow the first posterior cell at the apex
    • the apex of the first posterior cell is especially narrow
    • the base of the third antennal segment is orange
    • palps are orange
    Identification aids

    muscina prolapsa

    Recording advice

    Good views of the wing venation, scutellum and legs are needed.


    In well wooded or well vegetated areas where they sun themselves on the trunks of trees. They may sometimes be found near to rotting material where they deposit their eggs.

    When to see it

    Spring to autumn.

    Life History

    Muscina flies commonly breed in manure and defecate on food, which has been linked to the spread of some disease and illnesses. The occurrence of Muscina larvae on dead bodies has led to their regular use in forensic investigations, as they may be used to estimate the time of death.

    UK Status

    Widespread and fairly frequent in England and Wales.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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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