Around 9-10mm, with a bold white, black and grey stripy thorax and a dark grey abdomen with a pale tip. Vein m gently curves towards the wing margin and the middle tibia is without a strong posteroventral seta, though posterodorsal and posterior setae usually well developed.
Found around cattle.
Peaks in April/May and in August/September.
It is sometimes referred to as a Sweat Fly and it can be a particular nuisance to cattle.
Widespread and quite common in Britain.
Fairly common in Leicestershire and Rutland
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015