Aciagrion

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.

Species
The genus Aciagrion includes the following species:
 * Aciagrion africanum Martin, 1908
 * Aciagrion approximans (Selys, 1876)
 * Aciagrion azureum Fraser, 1922
 * Aciagrion balachowskyi Legrand, 1982 - Gabon Slim
 * Aciagrion bapepe Dijkstra, 2015 - Congo Slim
 * Aciagrion borneense Ris, 1911
 * Aciagrion brosseti Legrand, 1982 - Yellow-winged Slim
 * Aciagrion dondoense Dijkstra, 2007 - Opal Slim
 * Aciagrion fasciculare Lieftinck, 1934
 * Aciagrion feuerborni Schmidt, 1934
 * Aciagrion fragile (Tillyard, 1906) - Blue Slim
 * Aciagrion gracile (Sjöstedt, 1909) - Graceful Slim
 * Aciagrion hamoni Fraser, 1955
 * Aciagrion heterostictum Fraser, 1955 - Long Slim
 * Aciagrion hisopa (Selys, 1876)
 * Aciagrion huaanensis Xu, 2005
 * Aciagrion macrootithenae Pinhey, 1972 - Awl-tipped Slim
 * Aciagrion migratum (Selys, 1876)
 * Aciagrion nodosum (Pinhey, 1964) - Cryptic Slim
 * Aciagrion occidentale Laidlaw, 1919
 * Aciagrion olympicum Laidlaw, 1919
 * Aciagrion pallidum Selys, 1891
 * Aciagrion pinheyi Samways, 2001 - Emerald-striped Slim
 * Aciagrion rarum (Longfield, 1947) - Tiny Slim
 * Aciagrion steeleae Kimmins, 1955 - Swamp Slim
 * Aciagrion tillyardi Laidlaw, 1919
 * Aciagrion tonsillare Lieftinck, 1937
 * Aciagrion walteri Carfi & D'Andrea, 1994
 * Aciagrion zambiense Pinhey, 1972