Nectarinia smithii Saussure, 1854:229, Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:174, Holotype ♀ (lost); Richards, 1978Richards, O.W. 1978. The social wasps of the Americas excluding the Vespinae. British Museum (Natural History), London. 1-567.:174, Neotype ♀ (MCZ, Boston). - As Brachygastra bilineolata smithii: - As Brachygastra smithii: - 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); 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); 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); Andena & Carpenter, 2012Andena, S.R. & J.M. Carpenter 2012. A phylogenetic analysis of the social wasp genus Brachygastra Perty, 1833, and description of a new species (Hymenoptera: Vespidae: Epiponini). American Museum Novitates 3753:1-38. (distribution); Santos et al., 2015Santos, E.F. dos, Y.C Grandinete & F.B. Noll 2015. Additions to the checklist of Scoliidae, Sphecidae, Pompilidae and Vespidae of Peru, with notes on the endemic status of some species (Hymenoptera, Aculeata). ZooKeys 519:33-48. (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).