Hormius aciculatus Cresson, 1872:190, ♀. Holotype ♀, Texas (G.W. Belfrage); Ashmead, 1893Ashmead, W.H. 1893. Synopsis of the Hormiinae of North America. Transactions of the American Entomological Society and Proceedings of the Entomological Section of the Academy of Natural Sciences 20:39-44.:44, Type (National Museum). - 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.:157 ( listed as synonym of Rhaconotus cressoni Muesebeck & Walkley, 1951). - As Hormiopterus aciculatus: - Ashmead, 1893Ashmead, W.H. 1893. Synopsis of the Hormiinae of North America. Transactions of the American Entomological Society and Proceedings of the Entomological Section of the Academy of Natural Sciences 20:39-44. (distribution); Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. - IV: Braconidae. Sumptibus Guilelmi Engelmann, VIII + 323. (distribution).
Rhaconotus cressoni Muesebeck & Walkley, 1951:181 - 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); Coronado-Blanco, 2011Coronado-Blanco, J. M. 2011. Braconidae (Hymenoptera) de Tamaulipas, México. Universidad Autónoma de Tamaulipas, Tamaulipas, México. 1-204. (distribution); Coronado-Blanco, 2013Coronado Blanco, J.M. 2013. La familia Braconidae (Hymenoptera) en México. Entomología mexicana 12 (1):31-46. (distribution); Coronado et al., 2015Coronado Blanco, J.M., S.A. Belokobylskij, E. Ruíz-Cancino, V.H. Toledo-Hernández, A.M. Corona-López & J. García-Jiménez 2015. Doryctinae (Hymenoptera: Braconidae) de la Sierra de Huautla y otras localidades del Estado de Morelos, México. In: V.H. Toledo Hernández (Ed.). Retos y herramientas para el estudio de la biodiversidad. 36-47. (distribution).