Bearded Robber Fly vs Mount Cook Giant Weta

Side-by-side species comparison

Attribute Bearded Robber Fly Mount Cook Giant Weta
Scientific Name Machimus atricapillus Deinacrida pluvialis
Order Diptera Orthoptera
Family Asilidae Anostostomatidae
Size 12-18 mm 45-65 mm
Habitat Heathland Mountains
Diet Herbivores Herbivores
Regions Europe Oceania (New Zealand - South Island, Westland)
Conservation Least Concern Endangered

Bearded Robber Fly

A common European robber fly with a prominent mystax (facial beard) of bristles that protect its face during prey capture. It hunts from perches on bare ground and low vegetation.

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Did You Know?

Its dense facial beard of stiff bristles acts as a protective cage, shielding its eyes from the thrashing legs of captured prey.

Mount Cook Giant Weta

A rare alpine giant weta restricted to high-altitude zones in the western ranges of the South Island. It inhabits subalpine scrub and tussock. Like other alpine weta, it has evolved remarkable freeze tolerance.

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Did You Know?

Despite its common name, this weta is more commonly found in the mountain ranges of Westland rather than near Aoraki/Mount Cook itself.