Eumenes filiformis Saussure, 1856:146, ♀.Le Brésil (Collection de M. le marquis Spinola); Grandinete et al., 2018Grandinete, Y.C., F.B. Noll & J. Carpenter 2018. Taxonomic review of Eumenes Latreille, 1802 (Hymenoptera, Vespidae, Eumeninae) from the New World. Zootaxa 4459:1-52.:34, Lectotype (MRSN). - Dalla Torre, 1894Dalla Torre, C.G. 1894. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, IX. Vespidae (Diploptera). Guilelmi Engelmann, 181. (distribution); Zavattari, 1912Zavattari, E. 1912. Materialien für eine Monographie der Neotropischen Eumeniden. Archiv für Naturgeschichte 78:1-272. (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), 231 (revised status); 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); 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); Grandinete et al., 2018Grandinete, Y.C., F.B. Noll & J. Carpenter 2018. Taxonomic review of Eumenes Latreille, 1802 (Hymenoptera, Vespidae, Eumeninae) from the New World. Zootaxa 4459:1-52. (distribution).
Zetamenes filiformis costarricensis Bertoni, 1925:75, Grandinete et al., 2018Grandinete, Y.C., F.B. Noll & J. Carpenter 2018. Taxonomic review of Eumenes Latreille, 1802 (Hymenoptera, Vespidae, Eumeninae) from the New World. Zootaxa 4459:1-52.:34, Type ♂ (IBNPY). - Grandinete et al., 2018Grandinete, Y.C., F.B. Noll & J. Carpenter 2018. Taxonomic review of Eumenes Latreille, 1802 (Hymenoptera, Vespidae, Eumeninae) from the New World. Zootaxa 4459:1-52.:34 ( listed as synonym of Eumenes filiformis Saussure, 1856).Zetamenes filiformis costarricensis Bertoni, 1925:75, Grandinete et al., 2018Grandinete, Y.C., F.B. Noll & J. Carpenter 2018. Taxonomic review of Eumenes Latreille, 1802 (Hymenoptera, Vespidae, Eumeninae) from the New World. Zootaxa 4459:1-52.:34, Type ♂ (IBNPY). - Grandinete et al., 2018Grandinete, Y.C., F.B. Noll & J. Carpenter 2018. Taxonomic review of Eumenes Latreille, 1802 (Hymenoptera, Vespidae, Eumeninae) from the New World. Zootaxa 4459:1-52.:34 ( listed as synonym of Eumenes filiformis Saussure, 1856). - As Zethus costarricenses: - 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). - As Zethus costarricensis: - 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).