Orasema minutissima Howard, 1894:84, ♂♀. 17 ♀♀, 5 ♂♂, St. Vincent; Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109.:14, Syntypes, examined (London: Natural History Museum, England, no. 5.372). - Howard, 1894Howard, L.O. 1894. Report on the Chalcididae of the Subfamilies Chalcidinae, Eucharinae, Perilampinae, Encyrtinae, Aphelininae, Pireninae, Elasminae, and Elachistinae. Journal of the Linnean Society of London (Zoology) 25:79-108. (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); Ashmead, 1900Ashmead, W.H. 1900. Report upon the aculeate Hymenoptera of the islands of St. Vincent and Grenada, with additions to the parasitic Hymenoptera and a list of the described Hymenoptera of the West Indies. Transactions of the Entomological Society of London pt. II:207-367. (distribution); Mann, 1918Mann, W.M. 1918. Myrmecophilous insects from Cuba. Psyche :104-106. (distribution); Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218. (distribution); Zayas, 1982Zayas, F. de 1982. Sección Oligoneoptera - Orden Hymenoptera - Orden Strepsiptera. Editorial Científico-Técnica, Ciudad de la Habana. 1-111. (distribution); Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109. (distribution); Noyes, 2019Noyes, J.S. 2019. Universal Chalcidoidea Database. World Wide Web electronic publication. :. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668. (distribution).
Orasema Smithi Howard, 1897:134, Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109.:16, Holotype ♀, examined (London: Natural History Museum, England, no. 5.372). - 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); Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218. (distribution); Heraty, 2017Heraty, J. 2017. Catalog of World Eucharitidae. :1-109. (distribution). - As Orasema smithii: - Howard, 1897Howard, L.O. 1897. On the Chalcididae of the islands of Grenada, B.W.I. Journal of the Linnean Society 26:129-178. (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); Ashmead, 1900Ashmead, W.H. 1900. Report upon the aculeate Hymenoptera of the islands of St. Vincent and Grenada, with additions to the parasitic Hymenoptera and a list of the described Hymenoptera of the West Indies. Transactions of the Entomological Society of London pt. II:207-367. (distribution).