Bannana zhengguoi sp. nov., male left palp, SEM A, B prolateral and retrolateral views C, F, G distal part of bulb, dorsal, prolateral and retrolateral views D, E bulb, prolateral and retrolateral views. Abbreviations: cls = comb-like structure; db = dorsal branch; emb = embolus; pb = posterior branch; vb = ventral branch. Scale bars: 0.1 mm (A, B, D, E); 0.03 mm (C, F, G).