Stigmus rugidensus Li & Ma, sp. nov. (A–G female H–M male) A, H head, frontal view B, I head, dorsal view C collar, scutum, scutellum and metanotum, dorsal view D thorax, lateral view E propodeum, dorsal view F petiole, dorsal view G pygidial plate, dorsal view J gastral tergum VIII, ventral view K male genitalia, dorsal view L male genitalia, ventral view M male genitalia, lateral view. Scale bars: 1 mm (A–I); 0.1 mm (J–M).