Narrow-headed Ant vs Kite-tailed Robber Fly

Side-by-side species comparison

Attribute Narrow-headed Ant Kite-tailed Robber Fly
Scientific Name Formica exsecta Tolmerus atricapillus
Order Hymenoptera Diptera
Family Formicidae Asilidae
Size 4-7 mm 10-16 mm
Habitat Heathland Heathland
Diet Omnivores Predators
Regions Europe, Northern Asia Europe, Central Asia
Conservation Near Threatened Least Concern

Narrow-headed Ant

A bicolored red and black wood ant with a distinctly notched head. It builds low thatched mounds in open heathland and is declining across much of its European range.

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Did You Know?

In the UK it is one of the rarest ant species and is legally protected under the Wildlife and Countryside Act.

Kite-tailed Robber Fly

A common grey robber fly with a slightly club-shaped abdomen. It is widespread across Europe, frequently hunting from low perches.

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Did You Know?

It is one of the last robber fly species to remain active into late autumn.