Trachelas vulcani (A, C–D from Guangxi, China) and T. crewsae sp. nov. (B) A male habitus, dorsal B–C male palp, prolateral D male palp, ventral. A, C–D courtesy of Feng Zhang. Abbreviations: C1 coil 1 of embolus, Eb embolic base, Hd haematodocha. Scale bars: 0.5 mm (A), 0.1 mm (B–D).