Aulacus niger Shuckard, 1841:124, sex not indicated.North America (collection Shuckard); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95, Type, destroyed. - Schletterer, 1889Schletterer, A. 1889. Die Hymenopteren-Gruppe der Evaniiden. Annalen des Naturhistorischen Museums in Wien 4:107-180; 289-338; 373-546.:538 ( listed as synonym of Aulacus abbottii Westwood, 1841); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95 ( listed as synonym of Aulacostethus ater (Westwood, 1841)). - As Pristaulacus niger: - 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).
Aulacus ater Westwood, 1841:538, Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95, Type ♀ (Oxford University). - Schletterer, 1889Schletterer, A. 1889. Die Hymenopteren-Gruppe der Evaniiden. Annalen des Naturhistorischen Museums in Wien 4:107-180; 289-338; 373-546.:539 ( listed as synonym of Aulacus abbottii Westwood, 1841); 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); 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.:1113 ( listed as synonym of Pristaulacus niger (Shuckard, 1841)). - As Aulacostethus ater: - Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145. (distribution).
Aulacus Abbottii Westwood, 1841:538, Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95, Type ♀ (London). - Schletterer, 1889Schletterer, A. 1889. Die Hymenopteren-Gruppe der Evaniiden. Annalen des Naturhistorischen Museums in Wien 4:107-180; 289-338; 373-546. (distribution); 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); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95 ( listed as synonym of Aulacostethus ater (Westwood, 1841)); 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.:1113 ( listed as synonym of Pristaulacus niger (Shuckard, 1841)).
Aulacus consors Cresson, 1879:255, ♂. 4 ♂♂, Nevada (leg. Morrison); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:106, Type ♂ (Philadelphia). - Schletterer, 1889Schletterer, A. 1889. Die Hymenopteren-Gruppe der Evaniiden. Annalen des Naturhistorischen Museums in Wien 4:107-180; 289-338; 373-546.:539 ( listed as synonym of Aulacus abbottii Westwood, 1841); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:106 ( listed as synonym of Aulacostethus melleus (Cresson, 1879)).
Aulacus occidentalis Cresson, 1879:255, ♀. 5 ♀♀, Colorado, Nevada (leg. Morrison); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:106, Type ♀ (Philadelphia). - Cresson, 1879Cresson, E.T. 1879. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Transactions of the American Entomological Society and Proceedings of the Entomological Section of the Academy of Natural Sciences 7:255-256. (distribution); Schletterer, 1889Schletterer, A. 1889. Die Hymenopteren-Gruppe der Evaniiden. Annalen des Naturhistorischen Museums in Wien 4:107-180; 289-338; 373-546.:539 ( listed as synonym of Aulacus abbottii Westwood, 1841). - As Aulacostethus occidentalis occidentalis: - Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145. (distribution), 106 (comb. nov.).
Aulacus melleus Cresson, 1879:255, ♀. 2 ♀♀, Nevada (leg. Morrison); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:106, Type ♀ (Philadelphia). - As Aulacostethus melleus: - Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145. (distribution).
Pristaulacus ferrugineus Kieffer, 1904:29, Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:106, Type ♀ (?Vienna). Synonymized with Aulacostethus melleus (Cresson, 1879) by Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:106.
Pristaulacus hopkinsii Bradlex, 1908:127, ♀. Paratype ♀, Kirbyville, Texas, November 11, '02 (Amer. Ent. Soc., leg. Dr. A.D. Hopkins); Type ♀, Paratype ♀, Kirbyville, Texas, November 11, '02 (Hopkins, U.S., No. 1231d, leg. Dr. A.D. Hopkins); Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95, Type ♀ (Ithaca). Synonymized with Aulacostethus ater (Westwood, 1841) by Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95. - 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.:1113 ( listed as synonym of Pristaulacus niger (Shuckard, 1841)).
Pristaulacus aterrimus Kieffer, 1911:230 - Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95 ( listed as synonym of Aulacostethus ater (Westwood, 1841)); 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.:1113 ( listed as synonym of Pristaulacus niger (Shuckard, 1841)).
Pristaulacus floridana Rohwer, 1913:534, Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95, Type ♀ (Washington). Synonymized with Aulacostethus ater (Westwood, 1841) by Townes, 1950Townes, H.K. 1950. The Nearctic species of Gasteruptiidae (Hymenoptera). Proceedings of the United States National Museum 100 (No. 3259):85-145.:95. - 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.:1113 ( listed as synonym of Pristaulacus niger (Shuckard, 1841)).