Huia Ground Beetle vs Giant Robber Fly

Side-by-side species comparison

Attribute Huia Ground Beetle Giant Robber Fly
Scientific Name Mecodema huia Promachus fitchii
Order Coleoptera Diptera
Family Carabidae Asilidae
Size 22-30 mm 20-35 mm
Habitat Forests Meadows
Diet Predators Predators
Regions New Zealand (North Island) North America
Conservation Near Threatened Least Concern

Huia Ground Beetle

A large, flightless ground beetle endemic to New Zealand with a heavily sculptured dark body. It is named after the extinct huia bird and found in native forest remnants.

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Did You Know?

New Zealand has an extraordinary radiation of endemic Mecodema ground beetles, with over 50 species that evolved in isolation, many confined to single mountain ranges or forests.

Giant Robber Fly

A large, bristly predatory fly with powerful grasping legs and a sharp proboscis. It ambushes prey in mid-air with remarkable speed and precision, including insects larger than itself.

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Did You Know?

Robber flies inject prey with saliva containing neurotoxins and digestive enzymes, liquefying the insides and then sucking them out.