Syngaster erythromelas Brullé, 1846:458, ♂. Holotype ♂, Amérique septentrionale ?. - As Doryctes erythromelas: - Kula & Marsh, 2011Kula, R.R. & P.M. Marsh 2011. Doryctinae (Hymenoptera: Braconidae) of Konza Prairie excluding species of Heterospilus Haliday. Proceedings of the Entomological Society of Washington 113 (4):451-491. (distribution).
Syngaster rufiventris Brullé, 1846:458, ♀. Holotype ♀, Amérique septentrionale (M. Serville, leg. Bastard). - Kula & Marsh, 2011Kula, R.R. & P.M. Marsh 2011. Doryctinae (Hymenoptera: Braconidae) of Konza Prairie excluding species of Heterospilus Haliday. Proceedings of the Entomological Society of Washington 113 (4):451-491.:461 ( listed as synonym of Doryctes erythromelas (Brullé, 1846)).
Bracon disjunctus Cresson, 1872:186, ♀. Holotype ♀, Texas (G.W. Belfrage). - Dalla Torre, 1898Dalla Torre, C.G. 1898. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. - IV: Braconidae. Sumptibus Guilelmi Engelmann, VIII + 323. (distribution).
Syngaster rugosus Provancher, 1886:122 - Kula & Marsh, 2011Kula, R.R. & P.M. Marsh 2011. Doryctinae (Hymenoptera: Braconidae) of Konza Prairie excluding species of Heterospilus Haliday. Proceedings of the Entomological Society of Washington 113 (4):451-491.:461 ( listed as synonym of Doryctes erythromelas (Brullé, 1846)).
Doryctes apacheus Viereck, 1907:383 - Kula & Marsh, 2011Kula, R.R. & P.M. Marsh 2011. Doryctinae (Hymenoptera: Braconidae) of Konza Prairie excluding species of Heterospilus Haliday. Proceedings of the Entomological Society of Washington 113 (4):451-491.:461 ( listed as synonym of Doryctes erythromelas (Brullé, 1846)).
Doryctes femur-rubrum Viereck, 1907:384 - Kula & Marsh, 2011Kula, R.R. & P.M. Marsh 2011. Doryctinae (Hymenoptera: Braconidae) of Konza Prairie excluding species of Heterospilus Haliday. Proceedings of the Entomological Society of Washington 113 (4):451-491.:461 ( listed as synonym of Doryctes erythromelas (Brullé, 1846)).