Otacilia guanshan sp. nov., male holotype A habitus, dorsal view B same, ventral view C palp, prolateral view D same, ventral view E same, retrolateral view F same, dorso-retrolateral view. Abbreviations: dTA – distal tegular apophysis, Em – embolus, FA – femoral apophysis, Gr – groove, PTA – prolateral tibial apophysis, rTA – retrolateral tegular apophysis, RTA – retrolateral tibial apophysis, SD – sperm duct, VTA – ventro-retrolateral tibial apophysis. Scale bars: 0.5 mm (A, B); 0.1 mm (C–F).