Nebrioporus Water Beetle vs Great Banded Grayling

Side-by-side species comparison

Attribute Nebrioporus Water Beetle Great Banded Grayling
Scientific Name Nebrioporus nipponicus Brintesia circe
Order Coleoptera Lepidoptera
Family Dytiscidae Nymphalidae
Size 5-7 mm 60-70 mm wingspan
Habitat Mountains Heathland
Diet Omnivores Omnivores
Regions East Asia, Japan Southern and central Europe, western Asia
Conservation Least Concern Least Concern

Nebrioporus Water Beetle

A small diving beetle endemic to Japan found in clean mountain streams. Part of a genus that prefers running water over still pools. An indicator species for unpolluted waterways.

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Did You Know?

This beetle carries a bubble of air under its wing covers when diving, which it uses to breathe underwater like a built-in scuba tank.

Great Banded Grayling

A large brown butterfly with a prominent white band across the hindwing underside, resembling a tree-trunk fragment. It settles on tree bark and rocks, becoming almost invisible.

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Did You Know?

When it lands on a tree trunk, it tilts to eliminate its shadow, perfecting its bark-like camouflage.