Scelio bisulcatus Kieffer, 1904:531, ♀. 3 ♀♀, Texas (Naturhistorische Reichsmuseum von Stockholm, leg. Belfrage); Bin, 1976Bin, F. 1976. The types of Scelionidae (Hymenoptera) in the 'Naturhistoriska Riksmuseet' in Stockholm described by Kieffer in 'Arkiv for Zoologi', 1904. Annali di Entomologia General ed Applicata 12:71-74.:72, Lectotype ♀ (Naturhistoriska Riksmuseet in Stockholm). - As Synoditella bisulcata: - Muesebeck, 1972Muesebeck, C.F.W. 1972. Nearctic species of Scelionidae (Hymenoptera: Proctotrupoidea) that parasitize the eggs of grasshoppers. Smithsonian Contributions to Zoology 122:1-33. (distribution); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); Bastardo & Perez-Gelabert, 2013Bastardo, R.H. & D.E. Perez-Gelabert 2013. Primer registro de la avispa parasitoide Synoditella bisulcata (Kieffer, 1904) (Hymenoptera: Platygastridae: Scelioninae) para Haití. Novitates Caribaea 6:92-95. (distribution).
Scelio monticola Brues, in Viereck, 1906:184, ♀. 1 ♀, Hamilton Co., Kansas (3350 ft.) (leg. Prof. F.H. Snow); 1 ♀, Morton Co., Kansas (3200 ft.) (leg. Prof. F.H. Snow). - Muesebeck, 1972Muesebeck, C.F.W. 1972. Nearctic species of Scelionidae (Hymenoptera: Proctotrupoidea) that parasitize the eggs of grasshoppers. Smithsonian Contributions to Zoology 122:1-33.:22 ( listed as synonym of Synoditella bisulcata (Kieffer, 1904)); 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.:1153 ( listed as synonym of Synoditella bisulcata (Kieffer, 1904)).
Scelio striaticollis Brues, in Viereck, 1906:222, ♀. 2 ♀♀, Galveston, Texas, May, 1904 (leg. F.H. Snow). Synonymized with Synoditella bisulcata (Kieffer, 1904) by Muesebeck, 1972Muesebeck, C.F.W. 1972. Nearctic species of Scelionidae (Hymenoptera: Proctotrupoidea) that parasitize the eggs of grasshoppers. Smithsonian Contributions to Zoology 122:1-33.:22. - 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.:1153 ( listed as synonym of Synoditella bisulcata (Kieffer, 1904)).