Aciagrion is a genus of damselfly in the family Coenagrionidae. Aciagrion are small and slender damselflies with a small head. They are found at still waters including swamps. Aciagrion is widely distributed in the tropics from Africa, through Indonesia to Australia. They are commonly known as Slims.

Etymology The genus name Aciagrion is made from two greek words: aci or ἀκίς meaning a pointed object or needle, and agrion or ἄγριος, meaning wild. Agrion was the name given in 1775 by Johan Fabricius for all damselflies.

Species The genus Aciagrion includes the following species: Aciagrion africanum Aciagrion approximans Aciagrion azureum Aciagrion balachowskyi - Gabon Slim Aciagrion bapepe - Congo Slim Aciagrion borneense Aciagrion brosseti - Yellow-winged Slim Aciagrion dondoense - Opal Slim Aciagrion fasciculare Aciagrion feuerborni Aciagrion fragile - Blue Slim Aciagrion gracile - Graceful Slim Aciagrion hamoni Aciagrion heterostictum - Long Slim Aciagrion hisopa Aciagrion huaanensis Aciagrion inaequistigma Aciagrion macrootithenae - Awl-tipped Slim Aciagrion maldivense Aciagrion migratum Aciagrion nodosum - Cryptic Slim Aciagrion occidentale Aciagrion olympicum Aciagrion pallidum Aciagrion paludense Aciagrion pinheyi - Emerald-striped Slim Aciagrion rarum - Tiny Slim Aciagrion steeleae - Swamp Slim Aciagrion tillyardi Aciagrion tonsillare Aciagrion zambiense

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