FIGURE 2. A–E in Tetraserica Ahrens, 2004 of continental Southeast Asia: new records, new species and an updated key to species (Coleoptera: Scarabaeidae: Sericinae: Sericini)

FIGURE 2. A–E: Tetraserica sraeken Ahrens, new species (holotype); F–N: T. nussi Fabrizi, Dalstein & Ahrens, 2019 (variation: F–J, specimen sp1228; K–N, specimen sp1227B). A, F, K: aedeagus, left side, lateral view; B, G: aedeagus, dorsal view; C, H, L: parameres, dorsal view; D, I, M: aedeagus, right side, lateral view; E, J, N: habitus. Scale bars: 0.5 mm. Habitus not to scale.