Red-footed Robber Fly vs House Longhorn Beetle

Side-by-side species comparison

Attribute Red-footed Robber Fly House Longhorn Beetle
Scientific Name Dioctria rufipes Hylotrupes bajulus
Order Diptera Coleoptera
Family Asilidae Cerambycidae
Size 9-13 mm 8–25 mm
Habitat Woodlands Woodlands
Diet Herbivores Wood Feeders
Regions Europe, Western Asia Europe, North America, South Africa, Australia
Conservation Least Concern Not Evaluated

Red-footed Robber Fly

A slender, metallic-dark robber fly with conspicuous orange-red legs found in European woodlands. It specializes in ambushing small flies and midges from sunlit perches on leaves.

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Did You Know?

It is one of the earliest robber flies to appear each year, often active from late spring when most other asilids are still developing.

House Longhorn Beetle

A serious structural pest of softwood timber in buildings worldwide. Larvae can feed inside roof timbers for up to ten years before emerging.

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Did You Know?

Larvae can be heard chewing inside timber, making rasping sounds that are audible through walls.