Elephant Beetle vs Forest Demoiselle

Side-by-side species comparison

Attribute Elephant Beetle Forest Demoiselle
Scientific Name Megasoma elephas Calopteryx syriaca
Order Coleoptera Odonata
Family Scarabaeidae Calopterygidae
Size 70-120 mm 44-50 mm
Habitat Forests Rivers & Streams
Diet Wood Feeders Wood Feeders
Regions Central America, South America Asia, Europe
Conservation Least Concern Vulnerable

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.

Forest Demoiselle

A Near Eastern demoiselle found along streams in the Levant region. Males have dark wings with blue-green metallic body coloring.

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Did You Know?

It is restricted to a small number of streams in the Levant, making it one of the rarest Calopteryx species.