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 postpetiolatus Gusenleitner, 1988 Figs 17-19 Labus postpetiolatus Gusenleitner, 1988: 174; Girish Kumar et al. 2014 : 36. Material examined. 1♂ , Thailand , Chiang Mai Prov. , Chiang Dao Farm , 24-25.IX.1999 , M.I. Wibawa (AMNH) . Diagnosis. Body (Fig. 17 ) length 7.0 mm; propodeum (Fig. 18 ) posteriorly on each side with a sharply acute and high tooth above the apical spine formed by the submarginal carina, the tooth far away from apical spine; linear part of metasomal petiole (Fig. 19 ) short and stout, and distinctly rugosely punctate, total length of petiole 4.51 x basal width and 2.03 x apical width, swollen part of metasomal petiole longer than half of the length of the petiole and densely punctate. Distribution. Thailand.