Bornean Flat Stag Beetle vs Alpine Click Beetle

Side-by-side species comparison

Attribute Bornean Flat Stag Beetle Alpine Click Beetle
Scientific Name Aegus chelifer Hypnoidus rivularius
Order Coleoptera Coleoptera
Family Lucanidae Elateridae
Size 20-45 mm 5-7 mm
Habitat Woodlands Mountains
Diet Wood Feeders Root Feeders
Regions Southeast Asia (Borneo, Peninsular Malaysia, Sumatra, Indonesia) Northern Europe, Alps, Scandinavia
Conservation Least Concern Least Concern

Bornean Flat Stag Beetle

A medium-sized, very flat stag beetle with a glossy dark reddish-brown body perfectly adapted for living in thin spaces under bark. The mandibles are short but wide and strongly toothed.

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Did You Know?

Its body is so flat that it can fit into gaps as thin as a few millimeters, making it nearly impossible for predators to extract.

Alpine Click Beetle

A small, dark click beetle found in damp alpine and subalpine habitats. Its larvae develop in moist soil among grass roots.

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Did You Know?

Like all click beetles, it can launch itself into the air with an audible click to escape predators.