Erythromma najas | |
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Male | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Odonata |
Suborder: | Zygoptera |
Family: | Coenagrionidae |
Genus: | Erythromma |
Species: | E. najas
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Binomial name | |
Erythromma najas (Hansemann, 1823)
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Erythromma najas, the red-eyed damselfly, is a member of the Coenagrionidae family of damselflies.
The species is a small damselfly, 35 millimetres (1.4 in) long, predominantly black with iridescent blue markings. The male resembles blue-tailed damselflies (Ischnura species) but is distinguished by its large, spaced eyes that are a deep red. It is very similar to the small red-eyed damselfly (Erythromma viridulum).
Males typically spend much of their time perched on the leaves of floating vegetation such as water lilies or mats of algae.