Rainbow Stag Beetle vs Golden-tabbed Robber Fly

Side-by-side species comparison

Attribute Rainbow Stag Beetle Golden-tabbed Robber Fly
Scientific Name Phalacrognathus muelleri Choerades marginatus
Order Coleoptera Diptera
Family Lucanidae Asilidae
Size 25-70 mm 15-22mm
Habitat Forests Forests
Diet Wood Feeders Predators
Regions Oceania Europe
Conservation Least Concern Least Concern

Rainbow Stag Beetle

Australias most spectacularly colored beetle, with iridescent green, red, gold, and purple metallic coloring. Males have large curved mandibles with internal teeth.

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Did You Know?

This is widely considered the most beautiful stag beetle in the world — its rainbow metallic sheen shifts through green, gold, red, and purple depending on the angle of light.

Golden-tabbed Robber Fly

A large bristly brown robber fly with golden hair tufts that ambushes prey from sunny perches on logs.

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Did You Know?

Sits motionless on sun-warmed logs waiting for insects to fly past, then launches with explosive speed to intercept.