Notch-horned Cleg - Haematopota pluvialis

Alternative names
Cleg Fly

The eyes are hairy and the mottled wings are held 'rooflike' at rest, and the 1st antennal segment is notched near the tip in the female. Like most flies in this family, the eyes reflect light in patterns.

Similar Species

Haematopota crassicornis and H. pluvialis are very similar. The males of both species have eye-bands that stop halfway up, while females of both species have eye-bands over the whole of the eyes. However males of pluvialis have an orange third antennal segment. H. pluvialis has brown mottled wings whilst those of H. crassicornis are generally grey.

Identification difficulty

Around horses, cattle, etc, and often in damper or well wooded areas.

When to see it

May to October

Life History

The female of this species of Horsefly is a blood-sucking insect which can give a painful bite. The male is harmless and feeds on nectar. The larvae live in damp soil and rotten wood.

UK Status

Common and widespread throughout Britain.

VC55 Status

Common in Leicestershire and Rutland.

Leicestershire & Rutland Map


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

UK Map

Species profile

Common names
Notch-horned Cleg
Species group:
Records on NatureSpot:
First record:
25/06/2010 (Nicholls, David)
Last record:
29/06/2024 (Nicholls, David)

Total records by month

% of records within its species group

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