Tetraserica kollae sp. n. (holotype) F–I T. jakli sp. n. (holotype) A, F aedeagus, left side lateral view D, H aedeagus, right side lateral view B, G parameres, dorsal view C parameres, ventral view E, I habitus. Scale bars: 0.5 mm. Habitus not to scale.

  Part of: Fabrizi S, Dalstein V, Ahrens D (2019) A monograph on the genus Tetraserica from the Indochinese region (Coleoptera, Scarabaeidae, Sericini). ZooKeys 837: 1-155. https://doi.org/10.3897/zookeys.837.32057