Fen Rove Beetle vs Kite-tailed Robber Fly

Side-by-side species comparison

Attribute Fen Rove Beetle Kite-tailed Robber Fly
Scientific Name Stenus providus Tolmerus atricapillus
Order Coleoptera Diptera
Family Staphylinidae Asilidae
Size 3.5-4.5 mm 10-16 mm
Habitat Wetlands Heathland
Diet Predators Predators
Regions Northern Europe Europe, Central Asia
Conservation Least Concern Least Concern

Fen Rove Beetle

A tiny rove beetle of wetland margins with exceptionally large eyes for a beetle its size. Uses a retractable sticky labial pad to catch springtails. Confined to fen habitats.

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Did You Know?

Has proportionally the largest eyes of any British beetle relative to its body size.

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.