Giant Stag Beetle of Chile vs Predaceous Diving Beetle

Side-by-side species comparison

Attribute	Giant Stag Beetle of Chile	Predaceous Diving Beetle
Scientific Name	Chiasognathus grantii	Cybister lateralimarginalis
Order	Coleoptera	Coleoptera
Family	Lucanidae	Dytiscidae
Size	3.5-8 cm	30-37 mm
Habitat	Forests	Ponds & Lakes
Diet	Herbivores	Predators
Regions	Chile, Argentina	Southern Europe, Africa, Middle East
Conservation	Vulnerable	Least Concern

Giant Stag Beetle of Chile

A spectacular stag beetle with enormous mandibles found in temperate Valdivian forests. Males use their long jaws to wrestle rivals off branches.

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Darwin himself collected this species during the voyage of the Beagle and was astonished by its mandibles.

A large olive-green diving beetle found across southern Europe and Africa. It is a powerful swimmer that hunts a range of aquatic animals.

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In some parts of Asia and Africa, large Cybister species are collected and eaten as a traditional food source.