Nephrotoma xizangensis Yang & Yang, 1987. 55 Hypopygium, lateral view 56 outer gonostylus, lateral external view 57 inner gonostylus, lateral external view 58 tergite 9, dorsal view 59 hypopygium, ventral view. Scale bars: 0.5 mm (55, 58, 59); 0.1 mm (56, 57).