Updates on the taxonomy and distribution of Gastroserica Brenske, 1897, Microserica Brenske, 1894, and Moronoserica Ahrens, Lukic & Liu, 2023 (Coleoptera: Scarabaeidae: Sericinae: Sericini) Ahrens, Dirk Pham, Phu Zootaxa 2023 2023-09-21 5346 5 551 566 6JY5D Ahrens, 2000 Ahrens 2000 [151,763,330,357] Insecta Scarabaeidae Gastroserica Animalia Coleoptera 9 560 Arthropoda species asulcata Gastroserica   Material examined. 3 ♂♂ “ Tam Dao, Vietnam8.5.–  27.5.1990Dudycha Miles” ( ZFMK), 6 ♂♂ “N-Vietnam, Vinh PhucPr., Tam Dao N.P., light trap,  23–30.v.2004” ( IEBR), 1 ♂ “N-Vietnam, Vinh PhucPro., Me Linh Stationfor Biodiversity, light trap,  4.vi.2010, 21°23’03’’N, 105°42’44’’E,  56 mleg. T.V. Hoang” ( IEBR). 4420130331 [390,1153,402,431] 1990-05-27 ZFMK Vietnam Tam Dao 9 560 1 4420130321 2004-05-23 2004-05-30 2004-05-23 IEBR Vietnam Vinh Phuc 9 560 1 Vinh Phuc 4420130302 2010-06-04 IEBR T. V. Hoang Vietnam 56 21.384167 Biodiversity 21 105.71222 Me Linh Station 9 560 1 Vinh Phuc