Encyrtus ensifer Howard, 1885:13, ♂♀. 3 ♂♂, 4 ♀♀, Crescent City, Fla., bred June 1 and 5, 1882 (Dept. Agr. and Coll. C.V. Riley, leg. H.G. Hubbard); 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.:383, Type (U.S.N.M., No. 2633). - Howard, 1885Howard, L.O. 1885. Descriptions of North American Chalcididae from the collections of the U. S. Department of Agriculture and of Dr. C. V. Riley. Bulletin of the U. S. Department of Agriculture 5:3-47. (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). - As Coccidencyrtus ensifer: - 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.:383 (comb. nov.); Girault, 1915Girault, A.A. 1915. New Chalcidoid Hymenoptera. Annals of the Entomological Society of America 8 (3):279-284. (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).