Common Horse Fly

Haematopota pluvialis

The common horse fly, also known as the notch-horned cleg fly, or simply cleg in Scotland and northern parts of Ireland, is a fly species belonging to the family Tabanidae subfamily Tabaninae. Source

Where it is now

No records in the last 8 weeks. It may be out of season where the observers and sensors are.

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Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.