Megaspilus hyalinipennis Ashmead, 1887:98, ♀.Florida; Ashmead, 1893Ashmead, W.H. 1893. A monograph of the North American Proctotrypidae. Bulletin of the United States National Museum 45:1-472.:117, Holotype ♀ (Coll. Ashmead); Trietsch et al., 2020Trietsch, C., I. Mikó, B. Ezray & A.R. Deans 2020. A taxonomic revision of Nearctic Conostigmus (Hymenoptera: Ceraphronoidea: Megaspilidae). Zootaxa 4792 (1):1-155.:48, Holotype ♀, The location and identity of Ashmead’s original specimen are unknown. - Ashmead, 1893Ashmead, W.H. 1893. A monograph of the North American Proctotrypidae. Bulletin of the United States National Museum 45:1-472. (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 Conostigmus hyalinipennis: - 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); Trietsch et al., 2020Trietsch, C., I. Mikó, B. Ezray & A.R. Deans 2020. A taxonomic revision of Nearctic Conostigmus (Hymenoptera: Ceraphronoidea: Megaspilidae). Zootaxa 4792 (1):1-155. (distribution).