Litus armatus Ashmead, 1887:193, ♀.Florida. - As Anagrus armatus: - Wolcott, 1948Wolcott, G.N. 1948. The insects of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico 32 (4):749-975. (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); De Santis, 1981De Santis, L. 1981. Catalogo de los himenopteros calcidoideos de America al Sur de los Estados Unidos. - Primer suplemento. Revista Peruana de Entomologia 24 (1):1-38. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution).
Eustochus xanthothorax Ashmead, 1887:193, ♀.Florida. - 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.:1022 ( listed as synonym of Anagrus armatus (Ashmead, 1887)).
Anagrus columbi Perkins, 1905:198, Guzmán et al., 2017Guzmán-Larralde, A.J., J.T. Huber & H.Q. Martínez 2017. Generic key and catalogue of Mymaridae (Hymenoptera) of Mexico. Zootaxa 4254:1-38.:9, Holotype ♀ (Bernice P. Bishop Museum, Honolulu, Hawaii, USA). - 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.:1022 ( listed as synonym of Anagrus armatus (Ashmead, 1887)); Guzmán et al., 2017Guzmán-Larralde, A.J., J.T. Huber & H.Q. Martínez 2017. Generic key and catalogue of Mymaridae (Hymenoptera) of Mexico. Zootaxa 4254:1-38. (distribution).
Anagrus spiritus Girault, 1911:207 - 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.:1022 ( listed as synonym of Anagrus armatus (Ashmead, 1887)).