FIGURE 18. A–D in A taxonomic review of Microserica Brenske, 1894 from continental Asia (Coleoptera: Scarabaeidae: Melolonthinae: Sericini)

FIGURE 18. A–D: Microserica viengvai Ahrens, Lukic & Liu, new species (holotype), E–H: Mic. namnao Ahrens, Lukic & Liu, new species (holotype), I–L: Mic. chaiyaphum Ahrens, Lukic & Liu, new species (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.