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 289981 10.11646/zootaxa.5418.3.6 0e19ab29-34c4-4746-9415-94f09339ecb4 1175-5326 10726504 C55C1D7F-DA14-4269-92D6-2FC9A72195D6 Chartergus globiventris de Saussure, 1854 Fig. 2A–H , 4 , 5 Chartergus globiventris de Saussure, 1854 , Ét. Fam. Vesp. 2: 217 (key), 221, pl. XXXI fig. 3, female—“Le Brésil ” (London).— Gribodo, 1892 (1891), Boll. Soc. Entomol. Ital. 23: 258 (? var. of chartarius ).—Fox, 1898, Proc. Acad. Nat. Sci. Philad.: 457 (male; Brazil ).—Dalla Torre, 1904, Gen. Ins. 19: 85 (cat.).—Ducke, 1904, Bol. Mus. Goeldi, Pará 4: 324, 328 (key), 334, pl. 2 fig. 7 ( Brazil ).—Cameron, 1906, Invert. Pacif. 1: 156 (compared to C. tuberculatus )— Richards, 1978 , Soc. Wasps Am.: 132 (key), 134, fig. 69.—Carpenter and van der Vecht, 1991, Ann. Carnegie Mus. 60 (3): 221 (note on material seen by Fox).—Almeida and Castro, 1991, Acta Biol. Par., Curitiba 20: 47 (coll. list).—Sarmiento, 1994, Rev. Biol. Trop. 42 (1/2): 358 (list).—Garcete-Barrett, 1999, Avispas Soc. Parag.: 30, fig. Chartergus chartarius var. globiventris ; Ducke, 1910, Ann. Hist.-Nat. Mus. Natl. Hung. 8: 484, fig. 5. Epipona globiventris ; Bequaert, 1938, Rev. Entomol., Rio de Janeiro 9: 115 ( Brazil ). FIGURE 2. Chartergus globiventris de Saussure, 1854 —A: lateral view. B: dorsal view. C: face, frontal view. D: nest. Holotype of Chartergus globiventris —E: lateral. F: dorsal. G: gaster, dorsal view. H: original label. Diagnosis. Clypeus wider than long, less transverse; clypeus touching the eyes for an extension shorter than width of antennal socket; midlength gena equal to wider than eye; genal margin hardly sinuate, sloping up to the mandibles at its lowest point where the gena is also broadest; humeri pronounced; pronotum black, without anterior color band, and with prominence near ventral corner shorter and less acute but often more raised; pronotal fovea absent; scrobal furrow with less regular and usually weaker carinae; metanotum compressed; central tubercle of metanotum very weak, often hardly noticeable; metanotum with a pale band across the top half, rarely partly black here; keel on top half of propodeal angles shorter; first metasomal segment wider than long; second metasomal segment as long as wide. It can be easily differentiated from C. artifex and C. metanotalis because it has the central tubercle of the metanotum very weak; and is the smallest species in the genus Chartergus . Type material examined. Holotype ♀ BRAZIL : R.[rio] Amazon , F. Smith Coll., 7922 [label], Chartergus globiventris Sauss. [label], B.M. Type Hym. 18772 [label], NHMUK 010817928 ( NHM ). Additional material examined. GUYANE : Pleteaux des Mines , E. St Jean , 5º21’N , 54º03’W , 30m , 28.ix.1996 , Wenzel & Carpenter leg ., nest ( 4♀ , AMNH ) ; PERU : Dept. Loreto , Rio Sucusari at Napo, 25.xii.1990 , Carpenter & Wenzel leg ., nest ( 128♀ , AMNH ) ; BRAZIL : Amazonas , Alvar„es , 17.vi.1994 / I.S. Gorayeb , O.T. Silveira leg . / Chartergus globiventris , Silveira (det.) ( 1♀ , INPA ) ; Amazonas , Lago Ipixuna , 3º50’S 63º52’W , 110 m , 18.iv.1997 , Carpenter & Davidson leg ., nest ( 6♀ , AMNH ) ; Acre , UFAC Campus , 9º57’S 67º52’W , 80m , 4.x.1998 , Mateus & Noll leg . ( 3♀ , AMNH ) ; Rondônia , Porto Velho , 9.vii.2010 , Gelin , Oliveira & Noll leg . ( 3♀ , AMNH ) ; Mato Grosso , Nova Xavantina , 2 Apr 1996 , Noll & Mateus leg . ( 1♀ , AMNH ) ; Maranhão , Mirador , Parque Est. Mirador , Base da Geraldina , 22–26.x.2006 , Malaise , F.L. de Oliveira leg . / Chartergus globiventris ♀ , Somavilla, A. Det ( 1♀ , INPA ) ; Bahia , Barreira , 15.x.2008 , S. Mateus leg. ( 5♀ , INPA ) ; Minas Gerais , Pirapora , 11–13.xi.1919 , Cornell U. Exp leg . (6♁, AMNH ) . Distribution ( Fig 4 ). Colombia : Putumayo ; French Guiana ; Ecuador : Napo ; Peru *: Loreto ; Brazil : Amazonas, Bahia *, Ceará *, Goiás , Maranh„o, Mato Grosso , Minas Gerais , Pará, Piauí *. Rio Grande do Norte *, Rondônia *.