Polycyrtus guatemalensis Cameron, 1885:237, ♂. ♂, Guatemala, Purula (leg. Champion); Kasparyan & Ruíz-Cancino, 2003Kasparyan, D.R. & E. Ruíz Cancino 2003. Review of Mexican species of the genus Polycyrtus Spinola, 1840 (Hymenoptera: Ichneumonidae: Cryptini), with a key to the species of North America. Russian Entomological Journal 12 (3):311-327.:324, Type ♂ (Mus. London). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl.:237 (listed); 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); Kasparyan & Ruíz-Cancino, 2003Kasparyan, D.R. & E. Ruíz Cancino 2003. Review of Mexican species of the genus Polycyrtus Spinola, 1840 (Hymenoptera: Ichneumonidae: Cryptini), with a key to the species of North America. Russian Entomological Journal 12 (3):311-327. (distribution); Kasparyan & Ruíz-Cancino, 2004Kasparyan, D.R. & E. Ruíz-Cancino 2004. Adenda a Ichneumonidae (Hymenoptera). In: Bousquets, J.L., J.J. Morrone, O.Y. Ordóñez & I.V. Fernández (Ed.). Biodiversidad, Taxonomía y Biogeografía de artrópodos de México: Hacia una síntesis de su conocimiento. Volumen IV. 721-723. (distribution); Kasparyan & Ruíz-Cancino, 2008Kasparyan, D.R. & E. Ruíz Cancino 2008. Cryptini de México (Hymenoptera: Ichneumonidae: Cryptinae) Parte II. Victoría, México. 1-373. (distribution); Ruíz-Cancino et al., 2010Ruíz-Cancino, E., D.R. Kasparyan, J.M. Coronado-Blanco, S.N. Myartseva, V.A. Trjapitzin, S.G. Hernández Aguilar & J. García Jiménez 2010. Himenópteros de la Reserva “El Cielo”, Tamaulipas, México. Dugesiana 17 (1):53-71. (distribution).
Polycyrtus nigritibialis Cameron, 1885:238, ♂. ♂, Panama, Volcan de Chiriqui 4000 to 6000 feet (leg. Champion); Kasparyan & Ruíz-Cancino, 2003Kasparyan, D.R. & E. Ruíz Cancino 2003. Review of Mexican species of the genus Polycyrtus Spinola, 1840 (Hymenoptera: Ichneumonidae: Cryptini), with a key to the species of North America. Russian Entomological Journal 12 (3):311-327.:324, Type ♂ (Mus. London). - Cameron, 1883-1888Cameron, P. 1883-1888. Biologia Centrali-Americana - Insecta. Hymenoptera. (Families Tenthredinidae-Chrysididae). Taylor and Francis, Red Lion Court, Fleet Street. 487 pp., 20 pl.:238 (listed); 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); Kasparyan & Ruíz-Cancino, 2003Kasparyan, D.R. & E. Ruíz Cancino 2003. Review of Mexican species of the genus Polycyrtus Spinola, 1840 (Hymenoptera: Ichneumonidae: Cryptini), with a key to the species of North America. Russian Entomological Journal 12 (3):311-327.:324 ( listed as synonym of Polycyrtus guatemalensis Cameron, 1885); Kasparyan & Ruíz-Cancino, 2008Kasparyan, D.R. & E. Ruíz Cancino 2008. Cryptini de México (Hymenoptera: Ichneumonidae: Cryptinae) Parte II. Victoría, México. 1-373.:292 ( listed as synonym of Polycyrtus guatemalensis Cameron, 1885).