Trilacuna triseta sp. nov., male holotype, left palp, SEM A, B, G prolateral, retrolateral, and dorsal views C, D palpal bulb in prolateral and retrolateral views E, F, H distal part of palpal bulb in prolateral, retrolateral, and dorsal views. Abbreviations: ab = anterior branch; db = dorsal branch; emb = embolus; ml = median lobe; vb = ventral branch.