Figure 1.A–D Tetraserica daqingshanica sp. n. (holotype) E–H Tetraserica sculptilis Ahrens sp. n. (holotype) I–L Tetraserica wangtongensis sp. n. (holotype). A, E, I aedeagus, left side lateral view C, G, K aedeagus, right side lateral view B, F, J parameres, dorsal view D, H, L habitus (not to scale). Scale: 0.5 mm.
