Noterus Diving Beetle vs Helvetian Ground Beetle

Side-by-side species comparison

Attribute Noterus Diving Beetle Helvetian Ground Beetle
Scientific Name Noterus clavicornis Oreonebria castanea
Order Coleoptera Coleoptera
Family Dytiscidae Carabidae
Size 4-5 mm 8-11 mm
Habitat Ponds & Lakes Mountains
Diet Omnivores Omnivores
Regions Europe, Western Asia Alps, Pyrenees
Conservation Least Concern Least Concern

Noterus Diving Beetle

A small, oval, yellowish-brown diving beetle with distinctively thickened antennae. It is widespread across Europe in still or slow-flowing waters.

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Did You Know?

Its swollen club-shaped antennae are unique among diving beetles and may enhance underwater sensory perception.

Helvetian Ground Beetle

A cold-adapted ground beetle of high-altitude scree and moraines. It is active during short alpine summers near snowmelt areas.

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Did You Know?

It can remain active at temperatures just above freezing.