Trilacuna wumanshan 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: bsh = basal short “hairs”; db = dorsal branch; lb = lateral branch; ldp = large dorsal prong; mb = median branch; vp = ventral projection. Scale bars: 0.1 mm (A–C, G–I); 0.05 mm (D–F, J–L).