Mountain Demoiselle vs Waterhouse Stag Beetle

Side-by-side species comparison

Attribute Mountain Demoiselle Waterhouse Stag Beetle
Scientific Name Calopteryx exul Phalacrognathus muelleri waterhouseorum
Order Odonata Coleoptera
Family Calopterygidae Lucanidae
Size 45-52 mm 25-65 mm
Habitat Mountains Mountains
Diet Omnivores Wood Feeders
Regions Africa New Guinea
Conservation Endangered Not Evaluated

Mountain Demoiselle

A rare North African demoiselle restricted to mountain streams in Algeria and Tunisia. Males have dark blue-tinted wings and metallic blue-green bodies.

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Did You Know?

It is one of the rarest demoiselles in the world, confined to a handful of streams in the Atlas Mountains.

Waterhouse Stag Beetle

A subspecies of the rainbow stag beetle from New Guinea with even more vivid metallic coloring. Highly prized by collectors.

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Did You Know?

They display some of the most intense structural coloration found in any beetle species.