Signiphora flavopalliatus Ashmead, 1880:30, Ashmead, 1900Ashmead, W.H. 1900. On the genera of the Chalcidid-flies belonging to the subfamily Encyrtidae. Proceedings of the United States National Museum 22:323-412.:411, Type (U.S.N.M., No. 2801). - As Signiphora flavopalliata: - Ashmead, 1887Ashmead, W.H. 1887. Studies of the North American Proctotrupidae, with descriptions of new species from Florida (Paper no. 3). The Canadian Entomologist 19:192-198. (distribution); Howard, 1894Howard, L.O. 1894. The hymenopterous parasites of the California red scale. Insect Life 6:227-236. (distribution); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution); Girault, 1913Girault, A.A. 1913. A systematic monograph of the Chalcidoid Hymenoptera of the subfamily Signiphoridae. Proceedings of the United States National Museum 45:189-233. (distribution); 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); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); Ruíz et al., 2004Ruíz Cancino, E., J.M. Coronado Blanco, S.N. Myartseva & J.F. Luna Salas 2004. Adenda a Chalcidoidea (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. 725-734. (distribution); Coronado et al., 2005Coronado Blanco, J.M., E. Ruíz Cancino & S.N. Myartseva 2005. Chalcidoidea (Hymenoptera) de Taumalipas, México (excepto Encyrtidae). In: Lonzano L.B., A.C. Sandoval, J.V. Horta Vega & J.G. Jiménez (Ed.). Biodiversidad, Tamaulipeca Vol. 1. 156-160. (distribution); Sánchez et al., 2016Sánchez-García, J.A., J.M. Coronado-Blanco, E. Ruíz-Cancino, S.N. Myartseva, L. Martínez-Martínez & R. Jarquín-López 2016. Chalcidoidea (Hymenoptera) y otras avispas parasíticas del estado de Oaxaca, México. Entomología mexicana 2:850-854. (distribution); Woolley & Dal Molin, 2017Woolley, J.B. & A. Dal Molin 2017. Taxonomic revision of the flavopalliata species group of Signiphora (Hymenoptera: Signiphoridae). Zootaxa 4315 (1):1-150. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution).
Signiphora occidentalis Howard, 1894:233, ♂♀. 2 ♀♀, 3 ♂♂, San Gabriel, Cal., May 30, June 1 and 3, 1887 (leg. D.W. Coquillett); Ashmead, 1900Ashmead, W.H. 1900. On the genera of the Chalcidid-flies belonging to the subfamily Encyrtidae. Proceedings of the United States National Museum 22:323-412.:411, Type (U.S.N.M., No. 1473). - Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, V. Chalcididae et Proctotrupidae. Sumptibus Guilelmi Engelmann, VII + 598. (distribution); Girault, 1913Girault, A.A. 1913. A systematic monograph of the Chalcidoid Hymenoptera of the subfamily Signiphoridae. Proceedings of the United States National Museum 45:189-233.:197 ( listed as synonym of Signiphora flavopalliata Ashmead, 1880); 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).