Otacilia dadongshanica sp. nov., male holotype and female paratype (Phu-13-2). A, Palp, ventral view; B, Same, retrolateral view; C, Same, dorsal view; D, Epigyne, ventral view. E, Vulva, dorsal view. Abbreviations: CO, copulatory opening; CT, connecting tube; E, embolus; FD, fertilization ducts; FE, femoral extension; GA, glandular appendage; MP, median plate; MS, membranous sac; PP, posterior plate; RTA, retrolateral tibial apophysis; SA, subterminal apophysis; SP, spermathecae; SS, subapical spine; TA, terminal apophysis. Scale bars: 0.1 mm.