Red-eyed Damselfly
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''Erythromma najas'', the red-eyed damselfly, is a member of the Coenagrionidae family of
damselflies Damselflies are flying insects of the suborder Zygoptera in the order Odonata. They are similar to dragonflies, which constitute the other odonatan suborder, Anisoptera, but are smaller and have slimmer bodies. Most species fold the wings along ...
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Appearance

The species is a small damselfly, long, predominantly black with iridescent blue markings. The male resembles blue-tailed damselflies (''
Ischnura ''Ischnura'' is a genus of damselfly, damselflies known as forktails (or sometimes bluetails) in the family Coenagrionidae. Forktails are distributed worldwide, including various oceanic islands. The males have a forked projection at the tip of t ...
'' species) but is distinguished by its large, spaced eyes that are a deep red. It is very similar to the
small red-eyed damselfly The small red-eyed damselfly (''Erythromma viridulum'') is a member of the damselfly family Coenagrionidae. It is very similar to the red-eyed damselfly. Appearance The species is a small damselfly, about long, predominantly black with iridesc ...
(''Erythromma viridulum''). Red-eyed damselfly (Erythromma najas) teneral male.jpg, teneral male Red-eyed damselfly (Erythromma najas) female.jpg, female


Behaviour

Males typically spend much of their time perched on the leaves of floating vegetation such as water lilies or mats of
algae Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular mic ...
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References

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External links

* * Coenagrionidae Damselflies of Europe Insects described in 1823 Taxa named by Johann Wilhelm Adolf Hansemann {{Coenagrionidae-stub