Bibio leucopterus


    This is a medium-sized (wing length to 8mm), spring-flying Bibio with very milky-white wings in the male and uniformly dark wings in the female. Dwarf specimens of B. marci can superficially resemble leucopterus in the field, but leucopterus has a unique character in the almost equal-length spurs of the fore tibiae.

    Identification difficulty

    In woodlands and wetlands. 

    When to see it

    The flight period usually peaks in May.

    UK Status

    Bibio leucopterus is widespread and locally common, sometimes reaching impressive levels of abundance.

    VC55 Status

    Status in Leicestershire and Rutland unknown, probably under recorded.

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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