Metapolybia aztecoides Richards, 1978:189, ♂♀. Holotype ♀, Colombia: Valle, Anchicayá, 10.ii.69 (BMNH, leg. M.J.W. Eberhard). - Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567. (distribution); Starr, 1987Starr, C.K. 1987. Claves para la identificacion de las avispas sociales del Parque Nacional Santa Rosa, Guanacaste, Costa Rica. Sphecos 15:13-20. (distribution); Carpenter & Vecht, 1991Carpenter, J.M. & J. van der Vecht 1991. A study of the Vespidae described by William J. Fox (Insecta: Hymenoptera), with assessment of taxonomic implications. Annals of the Carnegie Museum 60 (3):211-241. (distribution); 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); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (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).