Aciagrion fasciculare

Male : A small and compact species with a predominantly dark purple and black colour pattern. The head has a whitish labium, ochreous-green labrum with a basal black stripe, and purplish genae and clypeus. The vertex is dark bronzed-green, with narrow pale postocular markings that are widely separated from each other. The synthorax is mainly black above with a pair of narrow, straight purple antehumeral stripes and vivid purple lateral areas. The abdomen is slender and mostly dark purple to black, with reduced pale markings. Segments 8–9 are entirely purple, while segment 10 is largely black. The male is especially characterized by the genital ligula, with strongly expanded lateral lobes forming large subtriangular processes, and by distinctive anal appendages. Female : Unknown