Brephoctonus flavosus Ashmead, 1896:202, ♂. Holotype ♂, Jacksonville, Fla.. - Davis, 1897Davis, G.C. 1897. A review of the Ichneumonid subfamily Tryphoninae. Transactions of the American Entomological Society 24 (3/4):193-348.:226 ( listed as synonym of Camerotops ulmicola (Ashmead, 1896)); 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.:737 ( listed as synonym of Stenomacrus ulmicola (Ashmead, 1896)).
Neuratelus liriodendri Ashmead, 1896:203, ♂♀.District of Columbia. - Davis, 1897Davis, G.C. 1897. A review of the Ichneumonid subfamily Tryphoninae. Transactions of the American Entomological Society 24 (3/4):193-348.:226 ( listed as synonym of Camerotops ulmicola (Ashmead, 1896)); Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141.:225 ( listed as synonym of Camarotops ulmicola (Ashmead, 1896)). - As Neurateles liriodendri: - 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.:738 ( listed as synonym of Stenomacrus ulmicola (Ashmead, 1896)).
Neuratelus ulmicola Ashmead, 1896:203, ♀. Holotype ♀, Columbus, Ohio (leg. Prof. F.M. Webster); Davis, 1897Davis, G.C. 1897. A review of the Ichneumonid subfamily Tryphoninae. Transactions of the American Entomological Society 24 (3/4):193-348.:226, Types (Coll. Ashmead). - As Camarotops ulmicola: - Dalla Torre, 1901-1902Dalla Torre, C.G. 1901-1902. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. — Volumen III: Trigonalidae, Megalyridae, Stephanidae, Ichneumonidae, Agriotypidae, Evaniidae, Pelecinidae. Pars II. Breitkopf & Härtel, Leipzig. VIII + 1141. (distribution). - As Camerotops ulmicola: - Davis, 1897Davis, G.C. 1897. A review of the Ichneumonid subfamily Tryphoninae. Transactions of the American Entomological Society 24 (3/4):193-348. (distribution). - As Neurateles ulmicola: - As Stenomacrus ulmicola: - 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).