Coenagrionidae
Coenagrionidae (Coenagriidae; damselflies; order Odonata, suborder Zygoptera) Cosmopolitan family of damselflies, most of which are small and brightly coloured and can be seen skimming over the surface of still water. The larvae live among aquatic vegetation in still water, and have slender tracheal gills. More than 1290 extant species have been described.
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Coenagrionidae