Polybia nana Cameron, 1912:209, ♀. ♀, British Guiana (Georgetown Museum); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:215, Holotype ♀ (MHN, Geneva), Lectotype ♀, examined (BMNH), designated by Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:142; Santos et al., 2015Santos, J.N. dos Jr., O.T. Silveira & J.M. Carpenter 2015. Phylogeny of Protopolybia Ducke, 1905 and taxonomic revision of the Protopolybia exigua species-group (Hymenoptera, Vespidae, Polistinae) with description of four new species. Zootaxa 3956 (2):151-182.:168, Lectotype ♀, examined (BMNH). Synonymized with Protopolybia bituberculata Silveira & Carpenter, 1995 by Santos et al., 2015Santos, J.N. dos Jr., O.T. Silveira & J.M. Carpenter 2015. Phylogeny of Protopolybia Ducke, 1905 and taxonomic revision of the Protopolybia exigua species-group (Hymenoptera, Vespidae, Polistinae) with description of four new species. Zootaxa 3956 (2):151-182.:168. - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, IX. Vespidae (Diploptera). Guilelmi Engelmann, 181. (distribution); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:142 ( listed as synonym of Protopolybia exigua exigua (Saussure, 1854)). - As Leipomeles nana: - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567. (distribution).
Polybia spilogastra Cameron, 1912:213, ♀. ♀, British Guiana (Georgetown Museum); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:215, Lectotype ♀, examined (BMNH). - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:215 ( listed as synonym of Leipomeles nana (Cameron, 1912)).
Protopolybia bituberculata Silveira & Carpenter, 1995:48, ♂♀. Holotype ♀, Brasil: Pará, Vigia, Campo do Palha, 08-xii-1988 (Goeldi Museum (Museu Paraense Emílio Goeldi, Belém/PA, Brazil), leg. I.S. Gorayeb); Santos et al., 2015Santos, J.N. dos Jr., O.T. Silveira & J.M. Carpenter 2015. Phylogeny of Protopolybia Ducke, 1905 and taxonomic revision of the Protopolybia exigua species-group (Hymenoptera, Vespidae, Polistinae) with description of four new species. Zootaxa 3956 (2):151-182.:168, Holotype ♀, examined (MPEG). - Silveira & Carpenter, 1995Silveira, O.T. & J.M. Carpenter 1995. Protopolybia bituberculata, a new Neotropical social wasp (Hymenoptera: Vespidae; Polistinae). Journal of the New York Entomological Society 103 (1):48-54. (distribution); Silveira et al., 2008Silveira, O.T., S.V. da Costa Neto & O.F.M. da Silveira 2008. Social wasps of two wetland ecosystems in brazilian Amazonia (Hymenoptera, Vespidae, Polistinae). Acta Amazonica 38 (2):333-344. (distribution); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution); Santos et al., 2015Santos, J.N. dos Jr., O.T. Silveira & J.M. Carpenter 2015. Phylogeny of Protopolybia Ducke, 1905 and taxonomic revision of the Protopolybia exigua species-group (Hymenoptera, Vespidae, Polistinae) with description of four new species. Zootaxa 3956 (2):151-182. (distribution).