A monograph on the genus Tetraserica from the Indochinese region (Coleoptera, Scarabaeidae, Sericini) Author Fabrizi, Silvia Author Dalstein, Vivian Author Ahrens, Dirk text ZooKeys 2019 837 1 155 http://dx.doi.org/10.3897/zookeys.837.32057 journal article http://dx.doi.org/10.3897/zookeys.837.32057 1313-2970-837-1 4A18822935804DB7B1229F131F6A0AC8 4A18822935804DB7B1229F131F6A0AC8 Tetraserica longipenis Liu, Fabrizi, Bai, Yang & Ahrens, 2014 Figures 26, 49 Tetraserica longipenis Liu, Fabrizi, Bai, Yang & Ahrens, 2014: 98, fig. 4 I-L . Material examined. Vietnam: 1 ♂ "N-VIETNAM Cao Bang Prov., vic. Vin Den, Nui Pia Oac Nat. Res.06.-10.V.2013, 22°33 '53" N, 105°52'53"E, 900-1300 m A. Skale" (ZFMK). Thailand: 1 ♂ "Mt. Doi Ku Sath-an, Na Noi Nan. N. Thailand 16/V/93 S. Ohmomo leg./ coll. D. Ahrens" (ZFMK). Laos: 1 ♂ "LAOS north, 24-30.V.1997, 20 km NWLouang Namtha, N 21°09.2, E 101°18.7, alt. 900 +/- 100 m, E. Jendek & O. Sausa leg./ (Coll. P. Pacholatko)" (CPPB), 1 ♂ "LAOS, N 21°09.2, 101°19 E, Louangnamtha pr., Namtha-Muang Sing, 5-31.v.1997, 900-1200 m Vit Kuban leg./ Coll. P. Pacholatko" (CPPB), 1 ♂ " X-DA4512 labcode: VD032 LAOS Hua Phan prov.; Ban Saleui, Phou Pan (Mt) 20°12'N , 104°01'E , 3-5.iv.2013 leg., C. Holzschuh Tetraserica spLA_V5/ X-DA4512" (ZFMK). Aedeagus: Fig. 26 J-L . Habitus: Fig. 26M. Remarks. This species was known from southern China and Thailand ( Kobayashi 2017 ), and it is recorded here from Vietnam and Laos for the first time.