Bornean Flat Stag Beetle vs High-altitude Longhorn Beetle

Side-by-side species comparison

Attribute Bornean Flat Stag Beetle High-altitude Longhorn Beetle
Scientific Name Aegus chelifer Evodinus borealis
Order Coleoptera Coleoptera
Family Lucanidae Cerambycidae
Size 20-45 mm 10-16 mm
Habitat Woodlands Forests
Diet Wood Feeders Wood Feeders
Regions Southeast Asia (Borneo, Peninsular Malaysia, Sumatra, Indonesia) Scandinavia, Northern Asia, Alps
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.

High-altitude Longhorn Beetle

A flower-visiting longhorn beetle of boreal and montane conifer forests. Its larvae develop in decaying conifer wood at high elevations.

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Did You Know?

Adults are important pollinators of alpine wildflowers.