Taxonomic account and phylogenetic relationships of the species of the Neotropical social wasp genus Chartergus Lepeletier, 1836 (Vespidae: Polistinae: Epiponini) Author Somavilla, Alexandre 0000-0002-8174-7418 alexandresomavilla@gmail.com Author Aragão, Marcos 0000-0001-7333-0172 marcosaragaowasp@gmail.com Author Barroso, Paulo Cézar Salgado 0000-0002-0358-5142 pc.salgadobarroso@gmail.com Author Carpenter, James M. American Museum of Natural History, Division of Invertebrate Zoology, New York City, USA Author Menezes, Rodolpho Santos Telles Universidade Estadual de Santa Cruz, Departamento de Ciências Biológicas, Ilhe ́ us, Brazil text Zootaxa 2024 2024-02-29 5418 3 279 290 http://dx.doi.org/10.11646/zootaxa.5418.3.6 journal article 10.11646/zootaxa.5418.3.6 1175-5326 10726504 C55C1D7F-DA14-4269-92D6-2FC9A72195D6 Identification key for species of Chartergus Lepeletier (adapted from Richards 1978 ) 1. Central tubercle of metanotum very weak, often hardly noticeable ( Fig. 2B, E ); pronotum black, without anterior color band ( Fig. 2A, B, E, F ), prominence near ventral corner shorter and less acute but often more raised; metanotum with a pale band across the top half, rarely partly black.......................................... C. globiventris de Saussure, 1854 1’. Central tubercle of metanotum stronger ( Fig. 1B , 3B ); pronotum with anterior yellow band ( Fig. 1 A, B , 3 E, F ); metanotum nearly always entirely black or as above................................................................... 2 2. Metanotum nearly always entirely black or with small yellow spots on the sides; pronotum with anterior whitish yellow band, usually incomplete and stronger in the middle ( Fig. 3 E, F ); scrobal furrow with more or less regular cross-keels.................................................................................... C. metanotalis Richards, 1978 2. Metanotum with a pale band across the top half, rarely partly black here; pronotum with a complete anterior pale band ( Fig. 1 A, B ); scrobal furrow with less regular and usually weaker cross-keels........................ C. artifex (Christ, 1791)