Elephant Beetle vs Panamanian Giant Ground Beetle

Side-by-side species comparison

Attribute Elephant Beetle Panamanian Giant Ground Beetle
Scientific Name Megasoma elephas Calosoma granulatum
Order Coleoptera Coleoptera
Family Scarabaeidae Carabidae
Size 70-120 mm 20-28 mm
Habitat Forests Farmland
Diet Wood Feeders Predators
Regions Central America, South America South America (Brazil, Argentina, Paraguay, Uruguay)
Conservation Least Concern Least Concern

Elephant Beetle

One of the heaviest beetles, weighing up to 50 grams. Males have prominent horns on the head and prothorax. Larvae take 2-3 years to develop in rotting wood.

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Did You Know?

Elephant beetle larvae are so large they were reportedly eaten by indigenous peoples in Central America — each larva can weigh as much as a small chicken egg.

Panamanian Giant Ground Beetle

A large South American caterpillar hunter with coarsely sculptured dark elytra and metallic reflections. It is an important predator of armyworm caterpillars in agricultural areas.

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Did You Know?

It is one of the most important natural enemies of the fall armyworm in South American soybean and maize fields, where a single beetle can eat dozens of caterpillars per night.