Otacilia dadongshanica 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, dorsal view. Scale bars: A and B, 0.5 mm; C–F, 0.1 mm. Abbreviations: DTA, dorsal tibial apophysis; E, embolus; FE, femoral extension; RTA, retrolateral tibial apophysis; SA, subterminal apophysis; SD, sperm duct; SS, subapical spine; TA, terminal apophysis.