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 270781 10.11646/zootaxa.5346.5.3 5c529b0e-9e4a-446c-b7f2-b8c2edc5518a 1175-5326 8390721 A4E45447-AAC5-4AF9-A3B4-993492FA85FD Microserica vinden Ahrens, Lukic & Liu, 2023 Material examined. 1 ♂ “N-Vietnam Cao Bang Pr. vic. Vin Den Nui pia Oac Nature res. 10.– 15.V.2014 N22°33.53’; E105°52.53’ 900–1300m , leg. A. Weigel / collection Naturkundemuseum Erfurt” ( NME ) .