European Glow-Worm Click Beetle vs Keeled Skimmer

Side-by-side species comparison

Attribute European Glow-Worm Click Beetle Keeled Skimmer
Scientific Name Phosphaenus hemipterus Orthetrum coerulescens
Order Coleoptera Odonata
Family Lampyridae Libellulidae
Size 6-10 mm 36-45mm
Habitat Underground Rivers & Streams
Diet Predators Predators
Regions Europe Europe, Africa
Conservation Least Concern Least Concern

European Glow-Worm Click Beetle

A small European firefly with reduced wings in the male and completely wingless females. Both sexes produce faint bioluminescence.

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Did You Know?

Males walk along the ground rather than flying, making them one of the few fireflies where males cannot fly at all.

Keeled Skimmer

A slender dragonfly where mature males develop a powder-blue abdomen. Females and immature males are yellowish-brown. It flies low over shallow boggy streams and seepages.

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Did You Know?

It is an indicator species for high-quality wet heathland, and its presence suggests good habitat condition.