Mandibularis Stag Beetle vs Horn-headed Rove Beetle

Side-by-side species comparison

Attribute Mandibularis Stag Beetle Horn-headed Rove Beetle
Scientific Name Hexarthrius mandibularis Bledius tricornis
Order Coleoptera Coleoptera
Family Lucanidae Staphylinidae
Size 50-115 mm 3-5 mm
Habitat Forests Rivers & Streams
Diet Sap Feeders Seed Feeders
Regions Sumatra, Indonesia Europe, Central Asia
Conservation Not Evaluated Least Concern

Mandibularis Stag Beetle

One of the largest stag beetles in the world with immense curved mandibles. Glossy black with powerful jaws.

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Did You Know?

Males can reach 115mm in total length, making them among the largest stag beetles ever recorded.

Horn-headed Rove Beetle

A small rove beetle in which males bear three horn-like projections on the head, used in combat for burrow ownership. It is a specialist of sandy riparian habitats near rivers and lakes.

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Did You Know?

Males with larger horns win more contests for burrow ownership, but hornless 'sneaker' males can also mate by entering burrows when the resident male is absent.