Taxonomic updates on Pachyserica Brenske, 1898 and Serica MacLeay, 1819 reveal 38 new species and new challenges of Sericini systematics regarding DNA barcodes and genus-level diagnostic key characters (Coleoptera: Scarabaeidae: Sericinae) Author Ahrens, Dirk 0000-0003-3524-7153 Zoologisches Forschungsmuseum A. Koenig, Adenauerallee 127, 53113 Bonn, Germany ahrens. dirk _ col @ gmx. de; https: // orcid. org / 0000 - 0003 - 3524 - 7153 ahrens.dirk_col@gmx.de Author Zhao, Ming-Zhi 0000-0002-3158-6177 College of Plant Protection, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, P. R. China zhaomzhai @ 126. com; https: // orcid. org / 0000 - 0002 - 3158 - 6177 zhaomzhai@126.com Author Pham, Phu Van 0000-0001-9369-6649 Institute of Ecology and Biological resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam phupham. iebr @ gmail. com; https: // orcid. org / 0000 - 0001 - 9369 - 6649 phupham.iebr@gmail.com Author Liu, Wan-Gang 0000-0003-3524-7153 Zoologisches Forschungsmuseum A. Koenig, Adenauerallee 127, 53113 Bonn, Germany ahrens. dirk _ col @ gmx. de; https: // orcid. org / 0000 - 0003 - 3524 - 7153 & SKLLQG, Institute of Earth and Environment, Chinese Academy of Sciences, Yanxiang Road 97, Yanta District, Xi’an 710061 P. R. China liuwangang @ ieecas. cn; https: // orcid. org / 0000 - 0003 - 4788 - 7967 & Zoologisches Forschungsmuseum A. Koenig, Adenauerallee 127, 53113 Bonn, Germany ahrens. dirk _ col @ gmx. de; https: // orcid. org / 0000 - 0003 - 3524 - 7153 ahrens.dirk_col@gmx.de text Zootaxa 2024 2024-08-01 5491 1 1 89 http://dx.doi.org/10.11646/zootaxa.5491.1.1 journal article 10.11646/zootaxa.5491.1.1 1175-5334 13211849 0612E62C-A53D-42BE-8578-68EC77D34627 Serica ( Serica ) kingdoni Ahrens, 1999 Additional material examined. 2 ♂♂ , 2 ♀♀ [ China ] “ Hailuogou , Moxi , Luding , Sichuan , 8. VIII.2004 , 3000m , leg. Bai Ming ” ( IZAS ) , 1 ♂ , 2 ♀♀ [ China ] “ Hailuogou , Moxi , Luding , Sichuan , 8.VIII.2004 , 3000m , leg. Wan Xia ” ( IZAS ) , 2 ♂♂ [ China ] “ Hailuogou Luding County Sichuan Prov. alt. 3000m 22-VII-2006 Hu & Tang” ( SNUC ) , 1 ♀ “ China ( Sichuan ) Gongga-shan b. Moxi Umg. Camp III 3000–3300 m 25/ 27.VII.1994 Heinz leg.” ( NMPC ) , 4 ♀♀ “ CHINA : Sichuan , Mt. Emei , Jinding , tramway resort, ca. 2800 m , 2023.VIII, Yi-Teng Li leg. dried, picked under windows” ( CZMZ ) , 2 ♂♂ “ CHINA : Sichuan , Mt. Emei , Leidongping , Jieyindian 29°33′25″N , 103°20′30″E , 2695m 2023.VIII.1–3 , Yi-Teng Li leg.” ( CZMZ ) , 2 ♂♂ , 2 ♀♀ “ CHINA : Sichuan , Mt. Emei , Leidongping , Jieyindian 29°33′25″N , 103°20′30″E , 2695m 2023.VIII.1 , Tian-Xuan Gu leg.” ( CZMZ ) , 1 ♂ “ CHINA : Sichuan , Ya’an City , Mts. Daxiangling 29.55793356°N 102.85279155°E 2023.VIII, Tian-Xuan Gu leg. dried, picked under windows” ( CZMZ ) , 1 ♂ , 1 ♀ “ CHINA : Sichuan , Luding City , Moxi Co. , Yajiageng 29.90327445°N 101.99878693°E ca. 3950m 2023.VII.28 , Tian-Xuan Gu leg.” ( CZMZ ) .