FIGURE 4. A–D in A taxonomic review of Microserica Brenske, 1894 from continental Asia (Coleoptera: Scarabaeidae: Melolonthinae: Sericini)

FIGURE 4. A–D: Gastroserica bisignata (Nomura, 1974) (Taiwan: Mt. Anmashan); E–H: M. nitidipyga Nomura, 1974 (China: Fujian: Mt. Liangshan-ding); I–L: G. yuebaensis 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.