Protopolybia exigua (Saussure, 1854) - West-Eberhard et al., 1995West-Eberhard, M.J., J.M. Carpenter & P.E. Hanson 1995. The vespid wasps (Vespidae). In: Hanson, P.E. & I.D. Gauld (Ed.). The Hymenoptera of Costa Rica. 561-587. (distribution); Starr & Hook, 2003Starr, C.K. & Hook, A.W. 2003. The aculeate Hymenoptera of Trinidad, West Indies. Occasional Papers o the Department of Life Sciences, University of the West Indies 12:1-31. (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); 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); Halmenschlager et al., 2019Halmenschlager, M.Y., J.C. Agudelo Martínez & N.F. Pérez-Buitrago 2019. New records of Vespidae (Hymenoptera: Vespoidea) for the Colombian Orinoco Region. Biota Colombiana 20 (1):21-33. (distribution). - As Protopolybia exigua exigua: - 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); Kumar et al., 2009Kumar, J.T. Longino, R.K. Colwell & S. O'Donnell 2009. Elevational patterns of diversity and abundance of eusocial paper wasps (Vespidae) in Costa Rica. Biotropica 41 (3):338-346. (distribution); Carpenter et al., 2012Carpenter, J.M., B.R. Garcete-Barrett & Y.J.A.F. López 2012. Las Vespidae (Hymenoptera: Vespoidea) de Guatemala. In: Cano, E.B. & J.C. Schuster (Ed.). Biodiversidad de Guatemala. Volumen 2. 269-279. (distribution); Silvestre et al., 2014Silvestre, R., M.F. Demétrio, B.M. Trad, F. Varussa & O. Lima 2014. Diversity and distribution of Hymenoptera Aculeata in Midwestern Brazilian dry forests. In: Greer, F.E. (Ed.). Dry Forests. 29-80. (distribution); Valverde et al., 2019Valverde, P., P. Hanson & J. Carpenter 2019. Keys to the Costa Rican species of paper wasps (Hymenoptera: Vespidae: Polistinae). Revista de Biología Tropical (International Journal of Tropical Biology and Conservation) 67 (2):174-199. (distribution). - As Protopolybia sedula exigua: - 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).
Polybia exigua Saussure, 1854:173, Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:142, Holotype ♀, examined (MNHN, Paris); 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.:155, Holotype ♀ (MNHN).
Polybia diligens Smith, 1857:132, Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:142, Holotype ♀, examined (BMNH); 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.:157, Holotype ♀, examined (BMNH). - 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)).
Polybia palmarum Blanchard, 1868:415 - 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), 53 ( listed as synonym of Protopolybia sedula exigua (Saussure, 1854)).