Rainbow Stag Beetle vs Paroecus Flat-faced Longhorn

Side-by-side species comparison

Attribute Rainbow Stag Beetle Paroecus Flat-faced Longhorn
Scientific Name Phalacrognathus muelleri Batocera paroeca
Order Coleoptera Coleoptera
Family Lucanidae Cerambycidae
Size 25-70 mm 30-50 mm
Habitat Forests Forests
Diet Wood Feeders Wood Feeders
Regions Oceania Papua New Guinea, Irian Jaya
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.

Paroecus Flat-faced Longhorn

A moderately large longhorn from the forests of New Guinea with cryptic bark-like patterning. Males have exceptionally long antennae that exceed twice the body length. It is primarily nocturnal and seldom encountered.

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Did You Know?

Males use their extraordinarily long antennae to detect female pheromones from distances exceeding 100 meters.