Bornean Peacock Beetle vs Japanese Ground Beetle

Side-by-side species comparison

Attribute Bornean Peacock Beetle Japanese Ground Beetle
Scientific Name Lamprosoma bicolor Carabus insulicola
Order Coleoptera Coleoptera
Family Chrysomelidae Carabidae
Size 5-10 mm 22-30 mm
Habitat Underground Forests
Diet Herbivores Omnivores
Regions Southeast Asia (Borneo, Malaysia, Indonesia) Japan
Conservation Least Concern Least Concern

Bornean Peacock Beetle

A small, dome-shaped leaf beetle with spectacular iridescent elytra that shift from purple to green to gold. The body is hemispherical and compact, resembling a tiny metallic droplet.

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Did You Know?

The extreme iridescence is thought to confuse predators by creating shifting reflections that make the beetle hard to focus on.

Japanese Ground Beetle

A large, dark beetle with coppery-bronze elytra found in Japanese mountain forests. It is flightless and shows considerable variation between island populations.

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Did You Know?

Isolated populations on different Japanese islands have diverged into distinct colour forms, making them popular among collectors.