Updates on the taxonomy and distribution of Gastroserica Brenske, 1897, Microserica Brenske, 1894, and Moronoserica Ahrens, Lukic & Liu, 2023 (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 Author Pham, Phu Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam. text Zootaxa 2023 2023-09-21 5346 5 551 566 http://dx.doi.org/10.11646/zootaxa.5346.5.3 journal article 10.11646/zootaxa.5346.5.3 1175-5326 A4E45447-AAC5-4AF9-A3B4-993492FA85FD Gastroserica ( Gastroserica ) vindenensis Fabrizi & Ahrens, 2018 Material examined. 1 Ô “N-Vietnam Cao Bang Pr.vic. Tin Tuc , Son Dong , Nui Pia Oac Nature Reserve 22°37’55’’N ; 105°52’98’’E 09.–15.V.2014 850–1300m , leg. A. Weigel , light trap ” ( NME ) .