Green Baron vs Japanese Ground Beetle

Side-by-side species comparison

Attribute Green Baron Japanese Ground Beetle
Scientific Name Euthalia adonia Carabus insulicola
Order Lepidoptera Coleoptera
Family Nymphalidae Carabidae
Size 60-80 mm wingspan 22-30 mm
Habitat Forests Forests
Diet Sap Feeders Omnivores
Regions Southeast Asia (Malaysia, Singapore, Indonesia, Thailand, Myanmar) Japan
Conservation Least Concern Least Concern

Green Baron

A forest butterfly with vivid iridescent green upperside in males, while females are brownish with white markings. It has a powerful, gliding flight pattern and rarely opens its wings when settled.

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Did You Know?

The brilliant green of the male is produced by microscopic structures in the wing scales rather than by any chemical pigment.

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.