A taxonomic account of the genus Labus de Saussure, 1867 (Hymenoptera, Vespidae, Eumeninae) with descriptions of three new species Author Li, Ting-Jing https://orcid.org/0000-0001-7175-2697 Chongqing Key Laboratory of Vector Insects, Chongqing Key Laboratory of Animal Biology, Institute of Insect and Molecular Biology, Chongqing Normal University, Chongqing 401331, China Author Carpenter, James M. https://orcid.org/0000-0001-6754-8028 Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 79 th Street, New York, NY 10024, USA carpente@amnh.org text Journal of Hymenoptera Research 2018 2018-08-27 65 23 46 http://dx.doi.org/10.3897/jhr.65.26976 journal article http://dx.doi.org/10.3897/jhr.65.26976 1314-2607-65-23 CA564E051B39449DB854B0C133539BFC FF86FF93943AFFEAFF91FF93FFD00A56 1408293 Labus angularis van der Vecht, 1935 Figs 23-24 Labus angularis van der Vecht, 1935: 161, 164; Gusenleitner 1988 : 174, 189, 190; Madl 1995 : 398; Gusenleitner 2006 : 687; Girish Kumar et al. 2014 : 29-37. Material examined. 2♀♀ , China , Yunnan Prov. , Xishuangbanna City , Mengla County , Shangyong Town , Longmen Village , 2011.VIII.3-5 , Yong Zhou (CQNU) . Diagnosis. Head (Fig. 24 ) in frontal view approximately as long as wide, its sides rounded; anterior angles of pronotum projecting only slightly; median area of scutellum rounded posteriorly; propodeum posteriorly on each side with a moderate tooth above the apical spine formed by the submarginal carina; metasomal petiole long and slender, total length of petiole 8.3 x basal width and 3.07 x apical one, swollen part of metasomal petiole less than half of the length of the petiole (Fig. 23 ). Distribution. China (new record); India; Myanmar; Thailand; Indonesia.