Mesoleptus argentifrons Cresson, 1864:261, ♂. ♂, Illinois (leg. Dr. Samuel Lewis). - As Campoletis argentifrons: - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198. (distribution); Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4. (distribution); Portuondo Ferrer, 2012Portuondo Ferrer, E. 2012. Hospederos de Chalcididae (Hymenoptera, Chalcidoidea) en Cuba. Boletín de la Sociedad Entomológica Aragonesa 51:261-271. (distribution).
Mesoleptus dubitatus Cresson, 1864:259, ♀.Illinois (leg. Dr. Samuel Lewis). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)). - As Limneria dubitata: - As Mesoleptes dubitatus: - As Mesoleptus dubitata: - Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Mesoleptus vicinus Cresson, 1864:268, ♀.New Jersey (leg. E.T. Cresson). - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)). - As Mesoleptus vicina: - Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Limnerium Provancheri Dalla Torre, 1901:102, no descr. Replacement name for Mesoleptes dubitatus Cresson, 1864 by Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141.:102 (preoccupied by Holmgren). - Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141. (distribution), 102 (comb. nov.); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)); Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Sesioplex heliaeformis Viereck, 1925:177 (key) - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)); Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Sagaritis strigosus Viereck, 1925:199 (key) - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)). - As Sagaritis strigosa: - Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Sagaritis evansi Viereck, 1925:199 (key) - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)); Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Sagaritis englishi Viereck, 1925:199 (key) - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)); Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Sagaritis conspicuosus Viereck, 1925:200 (key) - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)). - As Sagaritis conspicuosa: - Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Sagaritis interruptus Viereck, 1925:200 (key) - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 1. Symphyta and Apocrita (Parasitica). Smithsonian Institution Press, Washington D.C. 1-1198.:650 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)). - As Sagaritis interrupta: - Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).
Sagaritis inconspicuosus Viereck, 1925:200 (key) - As Sagaritis inconspicuosa: - Rodríguez-Berrío et al., 2009Rodríguez-Berrío, A. S. Bordera & I. Sääksjärvi 2009. Checklist of Peruvian Ichneumonidae (Insecta, Hymenoptera). Zootaxa 2303:1-4.:4 ( listed as synonym of Campoletis argentifrons (Cresson, 1864)).