Snipe Fly vs Robber Fly

Side-by-side species comparison

Attribute Snipe Fly Robber Fly
Scientific Name Rhagio scolopaceus Promachus rufipes
Order Diptera Diptera
Family Rhagionidae Asilidae
Size 10-15 mm 15-30 mm
Habitat Hedgerows Meadows
Diet Predators Predators
Regions Europe North America, Europe
Conservation Least Concern Least Concern

Snipe Fly

A slender, brownish fly with a pointed abdomen and spotted wings that typically perches head-down on tree trunks and fence posts. Adults are ambush predators of smaller insects.

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Did You Know?

This fly characteristically rests head-down on vertical surfaces, earning it the folk name "down-looker fly," and lunges at passing prey from this position.

Robber Fly

Aggressive aerial predators that catch other insects in flight. Inject prey with neurotoxic saliva that paralyzes and liquefies internal organs for consumption.

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Did You Know?

Robber flies are such efficient aerial predators that they have been recorded catching dragonflies, wasps, and even other robber flies in mid-air.