Borneo Three-horned Beetle vs Golden Metallic Longhorn

Side-by-side species comparison

Attribute Borneo Three-horned Beetle Golden Metallic Longhorn
Scientific Name Chalcosoma caucasus Tmesisternus isabellae
Order Coleoptera Coleoptera
Family Dynastinae Cerambycidae
Size 60-135 mm 20-35 mm
Habitat Forests Mountains
Diet Sap Feeders Wood Feeders
Regions Malaysia, Indonesia, Thailand Southeast Asia (Indonesia, Papua region)
Conservation Not Evaluated Data Deficient

Borneo Three-horned Beetle

Among the longest beetles in Asia, with three powerful horns and a metallic green-black sheen. Males engage in fierce combat.

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Did You Know?

Their smooth, metallic exoskeleton makes them very difficult for predators to grip.

Golden Metallic Longhorn

A rare longhorn beetle with striking golden or coppery metallic elytra covered in a fine pubescence. The body is elongated with very long antennae banded in black and gold.

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Did You Know?

The metallic coloration changes depending on ambient humidity, appearing more golden in dry conditions and more coppery when wet.