Hololeius ceylanicus (Niether, 1856) from Danau Buyan Lake, Bali, Indonesia. 4–9. Male genitalia (4. median lobe of aedeagus, left lateral view; 5. median lobe of aedeagus, dorsal view; 6–7. right paramere, internal and external face; 8–9, left paramere, internal and external face); 10–11. Left ovipositor, ventral view (10. photograph; 11. line drawing; as – apical stylomere; bs – basal stylomere; dles – dorsolateral ensiform setae; dmes – dorsomedial ensiform setae; ns – nematiform setae; ves – ventral ensiform setae; vf – valvifer). Scale bars = 0.3 mm (Figs 4–9); = 0.1 mm (Figs 10–11).