Habrobracon variabilis Cushman, 1914:103, ♂♀. Holotype ♀, Siloam Springs, Ark., 9.26.08 (U.S.N.M., No. 18275, leg. S.W. Foster); Muesebeck, 1926Muesebeck, C.F.W. 1926. A revision of the parasitic wasps of the genus Microbracon occuring in America north of Mexcio. Proceedings of the United States National Museum 67 (art. 8):1-85.:29, Type (U.S.N.M., No. 18275). - Cushman, 1914Cushman, R.A. 1914. A revision of the North American species of the Braconid genus Habrobracon Johnson (Ashmead). Proceedings of the Entomological Society of Washington 16:99-108. (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.:163 ( listed as synonym of Bracon cushmani (Muesebeck, 1926)).
Microbracon cushmani Muesebeck, 1926:29, sex not indicated Replacement name for Habrobracon variabilis Cushman, 1914 by Muesebeck, 1926Muesebeck, C.F.W. 1926. A revision of the parasitic wasps of the genus Microbracon occuring in America north of Mexcio. Proceedings of the United States National Museum 67 (art. 8):1-85.:29. - Muesebeck, 1926Muesebeck, C.F.W. 1926. A revision of the parasitic wasps of the genus Microbracon occuring in America north of Mexcio. Proceedings of the United States National Museum 67 (art. 8):1-85. (distribution); 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). - As Bracon cushmani: - 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). - As Habrobracon cushmani: