New species and records of Tetraserica Ahrens, 2004 from Indochina (Coleoptera: Scarabaeidae: Sericinae) Author Pham, Phu V. 0000-0001-9369-6649 Museum A. Koenig, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Adenauerallee 127, 53113 Bonn, Germany & Institute of Biology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam phupham.iebr@gmail.com Author Pacholátko, Petr Merhautova 68, Brno, Czech Republic Author Ahrens, Dirk 0000-0003-3524-7153 Museum A. Koenig, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Adenauerallee 127, 53113 Bonn, Germany ahrens.dirk_col@gmx.de text Zootaxa 2025 2025-09-09 5691 2 193 230 https://doi.org/10.11646/zootaxa.5691.2.2 journal article 312683 10.11646/zootaxa.5691.2.2 6fa33ae5-9b32-4e0d-8c05-cc98bb6c4434 1175-5326 17320635 B7F7B5D6-6D25-42A0-9F18-7B0C1ECD3530 Tetraserica shangsiensis Liu, Fabrizi, Bai, Yang & Ahrens, 2014 Material examined. Laos . 1 ♂ “LAOS-C: KHAM MOUAN Ban Khoun Ngeun; ~ 200m 18°07′N 104°29’E : Pacholátko leg.: 24.–29.ιν.2001” ( ZFMK ) , 1 ♂ “S LAOS, Champasak , Ban Itou , 800m , 10.–18.iv.1999 15°10,4’N , 106°05,8’E , E. Jendek & O. Šauša leg.” ( ZFMK ) , 5 ♂♂ , 4 ♀♀ “LAOS centr., Khammouan pov. NAKAI env., 17°43′N , 105°09’E 22.v.–8.vi.2001 , alt. 500–600 m , E. Jendek & O. Šauša leg.” ( ZFMK ) , 8 ♂♂ “LAOS centr., Bolikhamsai prov. BAN NAPE-Kaew Nua Pass 18.4.– 1.5.1998 , alt. 600± 100m , N 18°22.3, E 105°09.1 ( GPS ), M. Strba & R. Hergovits leg.” ( ZFMK ) , 16 ♂♂ “LAOS centr., Bolikhamsai prov. BAN NAPE-Kaew Nua Pass , 18.4.– 1.5.1998 , alt. 600± 100m , N 18°22.3, E 105°09.1 ( GPS ), E. Jendek & O. Šauša leg.” ( ZFMK ) , 9 ♂♂ “LAOS centr., Khammouan prov. NAKAI env., 4.– 8.5.1998 , Route No 8, alt. 560± 20m N 17°42.8, E 105°08.9 ( GPS ), E. Jendek & O. Sauša leg.” ( ZFMK ) , 1 ♂ “LAOS centr., Khammouan prov. NAKAI env., 4.– 8.5.1998 , Route No 8, alt. 560± 20m N 17°42.8, E 105°08.9 ( GPS ), M. Strba & R. Hergovits leg.” ( ZFMK ) . Vietnam . 3 ♂♂ “N VIETNAM, 21,27N 105,39E 70 km NW Hanoi , Tam Dao 9.–19.v.1996 , 900–1200 m Pacholátko & Dembický / VS 82” ( ZFMK ) . Thailand . 1 ♂ “THAILAND, Nan prov. , Ban Huay Kon env., 27.v.–10.vi.2002 P. Průdek & M. Oboril leg.” ( ZFMK ) .