Trilacuna longling sp. n., left male palp. A prolateral view B, D, F distal part of palpal bulb, prolateral, dorsal and retrolateral views C, E palpal bulb, dorsal and retrolateral views. Abbreviations: bll = blade-like lobes; blp = basal leaf-shaped projection; bth = basal thin “hairs”; dbh = dorsal brush of “hairs”; dth = distal thick “hairs”; lcb = lateral curved branch; lh = lateral “hairs”; lmb = long medial branch; vbl = ventral broad lobes.