Bornean Flat-horned Beetle vs Giant Stag Beetle

Side-by-side species comparison

Attribute Bornean Flat-horned Beetle Giant Stag Beetle
Scientific Name Gnaphaloryx squalidus Lucanus elaphus
Order Coleoptera Coleoptera
Family Lucanidae Lucanidae
Size 20-35 mm 30-65 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Sap Feeders
Regions Southeast Asia (Borneo, Malaysia, Indonesia) Eastern United States
Conservation Least Concern Least Concern

Bornean Flat-horned Beetle

A compact stag beetle with a broad, flattened body perfectly adapted for living under bark. It is dark reddish-brown with flattened mandibles and ridged elytra for grip in tight spaces.

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Did You Know?

Its extremely flat body allows it to squeeze into crevices less than 5 mm wide between bark and wood.

Giant Stag Beetle

The largest stag beetle in North America with impressive antler-like mandibles. Males use their mandibles in combat over females.

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Did You Know?

Their species name 'elaphus' means deer, referring to mandibles that resemble deer antlers.