Sepsis fulgens

    Alternative names
    Lesser Dung Fly
    Description

    2.5 to 3 mm. A black fly with dark wing spots (one on each wing), typical of the Sepsis genus. This is a difficult group to identify and specimens really need microscopic examination to arrive at the species. Males are easier to identify based on the ornamentation seen on the front femora.

    Similar Species

    Other members of the genus.

    Identification difficulty
    Recording advice

    Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters

    Habitat

    Adults are most often seen around hedgerows and meadows feeding on nectar, and on dung where males will wait for the females to visit and lay their eggs.

    When to see it

    Early spring to late autumn with a peak around July and August

    Life History

    The flies are active by day, and the sexes usually meet for mating around fresh dung where the eggs will be laid.

    UK Status

    Common and widespread in Britain, but identification is difficult.

    VC55 Status

    Probably common in Leicestershire and Rutland, althoughits  true status is difficult to determine due to problems of identification.

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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