Bibio johannis


    Length 4 to 7 mm. A black fly with shiny black thorax. The head and legs are both very hairy. The male has a very prominent dark stigma in each wing, and the lower parts of the legs are orange.

    Identification difficulty

    Grassland and well vegetated areas and hedgerows and also over water.

    When to see it

    March to June.

    Life History

    Breeds in soil and sometimes seen in swarms.

    UK Status

    Fairly frequent and widespread in England and Wales.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland.

    be our species champion

    Leicestershire & Rutland Map

    MAP KEY:

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

    UK Map