Sepsis flavimana

Description

A small blackish fly. Wing length 2.2 to 3.2 mm 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.

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

It seems to be widespread and fairly frequent in Britain, but identification is difficult.

VC55 Status

Probably fairly frequent in Leicestershire and Rutland, although 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