Trilacuna xiaoheishan sp. nov., left male palp A–F (light) and G–L (SEM) A, G prolateral view B, H dorsal view C, I retrolateral view D, J distal part of bulb, prolateral view E, K distal part of bulb, dorsal view F, L distal part of bulb, retrolateral view. Abbreviations: brc = branch with row of combs; sdb = short dorsal branch; lcb = lateral curved branch; tmb = thin median branch; wfb = distally widened flat branch. Scale bars: 0.1 mm (A–C, G–I); 0.05 mm (D–F, J–L).

  Part of: Ma J, Bian D, Tong Y, Yang Z, Zhang Z (2023) Three new species of the genus Trilacuna Tong & Li, 2007 (Araneae, Oonopidae) from Yunnan Province, China. ZooKeys 1174: 289-300.