Siamese Stag Beetle vs South American Darkling Beetle

Side-by-side species comparison

Attribute Siamese Stag Beetle South American Darkling Beetle
Scientific Name Hexarthrius parryi Zophobas morio
Order Coleoptera Coleoptera
Family Lucanidae Tenebrionidae
Size 45-90 mm 18-25 mm
Habitat Mountains Woodlands
Diet Sap Feeders Fruit Feeders
Regions Thailand, Malaysia, Indonesia, India Brazil, Central America, northern South America
Conservation Not Evaluated Least Concern

Siamese Stag Beetle

A large stag beetle with impressive curved mandibles and a dark brown to black body. Males use their oversized jaws in territorial combat.

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Did You Know?

Males can lift opponents twice their own weight with their massive mandibles during fights.

South American Darkling Beetle

A large shiny black darkling beetle widely distributed across tropical South America. Its larvae, known as superworms, are commonly used as animal feed.

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Did You Know?

Its larvae can digest polystyrene plastic thanks to gut bacteria, making them subjects of biodegradation research.