Subterranean Diving Beetle vs Mountain Demoiselle

Side-by-side species comparison

Attribute Subterranean Diving Beetle Mountain Demoiselle
Scientific Name Limbodessus palmulaoides Calopteryx exul
Order Coleoptera Odonata
Family Dytiscidae Calopterygidae
Size 1.5-2.5 mm 45-52 mm
Habitat Caves Mountains
Diet Omnivores Omnivores
Regions Australia Africa
Conservation Data Deficient Endangered

Subterranean Diving Beetle

An eyeless aquatic beetle living in underground calcrete aquifers of Western Australia. It has lost all pigmentation and wing development.

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Did You Know?

It evolved independently from surface ancestors trapped by the aridification of Australia.

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.