Click Beetle vs Brilliant Emerald

Side-by-side species comparison

Attribute Click Beetle Brilliant Emerald
Scientific Name Alaus oculatus Somatochlora metallica
Order Coleoptera Odonata
Family Elateridae Corduliidae
Size 25-45 mm 50-55mm
Habitat Underground Woodlands
Diet Predators Predators
Regions North America Europe, Asia
Conservation Least Concern Least Concern

Click Beetle

Has a special mechanism that allows it to snap its body with a click, launching itself up to 30 cm into the air. The large eyespots on its thorax startle predators.

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Did You Know?

Click beetles launch themselves into the air without using their legs — they use a peg-and-groove mechanism on their thorax that releases like a spring, reaching accelerations of 400g.

Brilliant Emerald

A metallic green dragonfly with brilliant emerald green eyes. Males patrol low over sheltered lakes and woodland pools. Its thorax is covered with fine golden-green hairs.

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Did You Know?

Its entire body shimmers with metallic green iridescence, making it one of Europe's most beautiful dragonflies.