A new species and a newly recorded subgenus of Lipotriches Gerstaecker, 1858 (Hymenoptera, Apoidea, Halictidae, Nomiinae) from China Author Zhang, Dan Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101, China & College of Biological Sciences, University of Chinese Academy of Sciences, No. 19 A Yuquan Road, Shijingshan District, Beijing, 10049, China Author Niu, Ze-Qing Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101, China Author Pauly, Alain Royal Institute of Natural Sciences of Belgium, Entomology, Rue Vautier- 29, B- 1000 Brussels, Belgium Author Da, Wa Tibet Plateau Institute of Biology, Lhasa, 850001, Tibet, China Author Zhu, Chao-Dong https://orcid.org/0000-0002-9347-3178 Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101, China & College of Biological Sciences, University of Chinese Academy of Sciences, No. 19 A Yuquan Road, Shijingshan District, Beijing, 10049, China & State Key Laboratory of Integrated Pest Management, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing, 100101, China zhucd@ioz.ac.cn text ZooKeys 2022 2022-03-24 1090 103 111 http://dx.doi.org/10.3897/zookeys.1090.75872 journal article http://dx.doi.org/10.3897/zookeys.1090.75872 1313-2970-1090-103 A0C1571F3D9F4F478DC90083FBE7FAD1 65D8E4842C845E32A1066DEACD878F57 Subgenus Lipotriches Lipotriches Gerstaecker Lipotriches Gerstaecker, 1858: 460. Type species: Lipotriches abdominalis Gerstaecker, 1857 = Sphecodes cribrosa Spinola, 1843, monobasic. Rhopalomelissa Alfken, 1926: 267. Type species: Rhopalomelissa xanthogaster Alfken, 1926, by designation of Sandhouse (1943 : 596). Nomia (Epinomia) Alfken, 1939: 113, not Ashmead, 1899. Type speies: Nomia andrenoides Vachal, 1903 = Nomia andrei Vachal, 1897, by original designation. Alfkenomia Hirashima, 1956: 33, replacement for Epinomia Alfken, 1939. Type species: Nomia andrenoides Vachal, 1903 = Nomia andrei Vachal, 1897, autobasic. Rhopalomelissa (Lepidorhopalomelissa) Wu, 1985: 58. Type species: Nomia burmica Cockerell, 1920, by original designation. Rhopalomelissa (Trichorhopalomelissa) Wu, 1985: 58. Type species: Rhopalomelissa hainanensis Wu, 1985, by original designation. Rhopalomelissa (Tropirhopalomelissa) Wu, 1985: 58. Type species: Rhopalomelissa nigra Wu, 1985, by original designation. Diagnosis. Small-sized, body length about 5-12 mm; metasoma slender, with petiolate, T1 longer than broad in male (most species); pronotum with continuous or medially or laterally transverse carina or lamella anterior to the scutum; metasoma partly or wholly red for some species (i.e., Lipotriches floralis , Lipotriches esakii and Lipotriches mediorufa ).