Polistes minutissima Spinola, 1851 Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:141, Holotype ♀ (MIZSU, Turin); 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.:169, Holotype ♀ (depository unknown). - As Protopolybia minutissima: - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567. (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); Santos et al., 2017Santos, J.N. dos Jr., O.T. Silveira & J.M. Carpenter 2017. A new species of the genus Protopolybia Ducke, 1905 (Hymenoptera, Vespidae, Polistinae), with taxonomic contributions to the exigua species-group. Zootaxa 4286 (3):432-438. (distribution).
Polybia laboriosa Saussure, 1853:171, 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.:169, Holotype ♀ (Turin; MRSN). Synonymized with Polistes minutissima Spinola, 1851 by Carpenter, 2011Carpenter, J.M. 2011. Notes on types of some american wasps in the Spinola collection. Entomologica Americana 117 (3/4):121-126.:124. - Smith, 1857Smith, F. 1857. Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part V. Vespidae. London. 147 pp. (distribution); Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, IX. Vespidae (Diploptera). Guilelmi Engelmann, 181. (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.:169 ( listed as synonym of Protopolybia minutissima (Spinola, 1851)). - As Protopolybia laboriosa: - Bodkin, 1918Bodkin, G.E. 1918. Notes on some British Guiana Hymenoptera (exclusive of the Formicidae). The Transactions of the Entomological Society of London 1917:297-321, pls. XXI-XXIII. (distribution).
Protopolybia rugulosa Ducke, 1907:166, 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.:143; 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.:169, Lectotype ♀, examined (BMNH). - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567. (distribution); Carpenter, 2011Carpenter, J.M. 2011. Notes on types of some american wasps in the Spinola collection. Entomologica Americana 117 (3/4):121-126.:122 ( listed as synonym of Polybia laboriosa Saussure, 1853); 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.:169 ( listed as synonym of Protopolybia minutissima (Spinola, 1851)).