Tetraserica Ahrens, 2004 of continental Southeast Asia: new records, new species and an updated key to species (Coleoptera: Scarabaeidae: Sericinae: Sericini) 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; https: // orcid. org / 0000 - 0003 - 3524 - 7153 ahrens.dirk_col@gmx.de Author Lukic, Daniel Museum A. Koenig, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Adenauerallee 127, 53113 Bonn, Germany & University of Salzburg, Salzburg, Austria Author Pham, Phu Museum A. Koenig, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Adenauerallee 127, 53113 Bonn, Germany & Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam Author Li, Wei 0009-0001-0195-7889 Institute of Earth and Environment, Chinese Academy of Sciences, Yanxiang Road 97 #, Yanta District, Xi’an 710061, P. R. China. & liweiv @ stumail. nwu. edu. cn; https: // orcid. org / 0009 - 0001 - 0195 - 7889 liweiv@stumail.nwu.edu.cn Author Liu, Wangang 0000-0003-4788-7967 Museum A. Koenig, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Adenauerallee 127, 53113 Bonn, Germany & 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 liuwangang@ieecas.cn text Zootaxa 2023 2023-11-20 5374 4 451 486 https://mapress.com/zt/article/download/zootaxa.5374.4.1/52301 journal article 10.11646/zootaxa.5374.4.1 1175-5326 10158722 EEFF13BD-664A-4FD8-9FED-4E4B21A475E4 Tetraserica gressitti (Frey, 1972) Material examined. 1 ♁ “ VIETNAM : Dong Nai : Cat Tien Natl. Pk.,vicinity park HQ 11°25’22.9’’N , 107°25’41.5’’E 120 m ; 20.v–2.vi.1999 DC Currie, DC Darling, B. Hubley ; ROM 993000 tropical lowland forest” ( ROMC ) , 1 ♁ “[ Vietnam ] Dong Nai Pro., Cat Tien N.P., Head quarter; 25.v.2002 ; light trap ” ( IEBR ) , 1 ♁ “[ Vietnam ] Lam Dong Pro., Bao Loc Dis., Dambri ; iv.2001 ; light trap ” ( IEBR ) .