Crabro 10-maculatus Say, 1823:78 - Packard, 1866Packard, A.S. 1866. Revision of the fossorial Hymenoptera of North America. Proceedings of the Entomological Society of Philadelphia 6:39-115. (distribution); Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution). - As Crabro decemmaculatus: - Cresson, 1862Cresson, E.T. 1862. Catalogue of the described species of North American Hymenoptera (Continued from page 211.). Proceedings of the Entomological Society of Philadelphia 1 (8):227-238. (distribution); Fox, 1895Fox, W.J. 1895. The Crabroninae of Boreal America. Transactions of the American Entomological Society 22 (2):129-226. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution). - As Ectemnius 10-maculatus 10-maculatus: - As Ectemnius decemmaculatus: - Krombein, 1950Krombein, K.V. 1950. An annotated list of wasps from Nags Head and the Kill Devil Hills (Hymenoptera Aculeata). Journal of the Elisha Mitchell Scientific Society 65:262-272. (distribution); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution). - As Ectemnius decemmaculatus decemmaculatus: - 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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Leclercq, 2007Leclercq, J. 2007. Hyménoptères Crabroniens des Amériques du genre Ectemnius Dahlbom 1845 (Hymenoptera: Crabronidae Crabronini). Notes fauniques de Gembloux 60 (4):163-177. (distribution).
Crabro chrysargyrus Lepeletier & Brullé, 1834:711, ♀.Philadelphie (Amérique du Nord) (Collection de M. Serville). - Cresson, 1862Cresson, E.T. 1862. Catalogue of the described species of North American Hymenoptera (Continued from page 211.). Proceedings of the Entomological Society of Philadelphia 1 (8):227-238. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1679 ( listed as synonym of Ectemnius decemmaculatus decemmaculatus (Say, 1823)); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:27 ( listed as synonym of Ectemnius decemmaculatus (Say, 1823)). - As Crabro chrysarginus: - Fox, 1895Fox, W.J. 1895. The Crabroninae of Boreal America. Transactions of the American Entomological Society 22 (2):129-226. (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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1679 (lapsus). - As Crabro chrysargurus: - 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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1679 (lapsus). - As Ectemnius chrysargyrus: - Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (distribution).
Crabro collinus Smith, 1856:420, ♂. ♂, East Florida (St. John's Bluff) (R. Foster, Esq.). - Cresson, 1862Cresson, E.T. 1862. Catalogue of the described species of North American Hymenoptera (Continued from page 211.). Proceedings of the Entomological Society of Philadelphia 1 (8):227-238. (distribution); Packard, 1866Packard, A.S. 1866. Revision of the fossorial Hymenoptera of North America. Proceedings of the Entomological Society of Philadelphia 6:39-115. (distribution); Fox, 1895Fox, W.J. 1895. The Crabroninae of Boreal America. Transactions of the American Entomological Society 22 (2):129-226.:151 ( listed as synonym of Crabro decemmaculatus Say, 1823); Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (distribution), 8 ( listed as synonym of Ectemnius 10-maculatus 10-maculatus (Say, 1823)); 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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1679 ( listed as synonym of Ectemnius decemmaculatus decemmaculatus (Say, 1823)); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:27 ( listed as synonym of Ectemnius decemmaculatus (Say, 1823)).
Crabro aurifrons Smith, 1856:420, ♀. ♀, Georgia. - Cresson, 1862Cresson, E.T. 1862. Catalogue of the described species of North American Hymenoptera (Continued from page 211.). Proceedings of the Entomological Society of Philadelphia 1 (8):227-238. (distribution); Packard, 1866Packard, A.S. 1866. Revision of the fossorial Hymenoptera of North America. Proceedings of the Entomological Society of Philadelphia 6:39-115. (distribution); Fox, 1895Fox, W.J. 1895. The Crabroninae of Boreal America. Transactions of the American Entomological Society 22 (2):129-226.:151 ( listed as synonym of Crabro decemmaculatus Say, 1823); Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (distribution), 8 ( listed as synonym of Ectemnius 10-maculatus 10-maculatus (Say, 1823)); 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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1679 ( listed as synonym of Ectemnius decemmaculatus decemmaculatus (Say, 1823)); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:27 ( listed as synonym of Ectemnius decemmaculatus (Say, 1823)).
Crabro packardii Cresson, 1865:477 Synonymized with Ectemnius chrysargyrus (Lepeletier & Brullé, 1834) by Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14.:9. - Fox, 1895Fox, W.J. 1895. The Crabroninae of Boreal America. Transactions of the American Entomological Society 22 (2):129-226. (distribution), 155 ( listed as synonym of Crabro chrysarginus Lepeletier & Brullé, 1834); Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (distribution); Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (distribution).
Crabro honestus Cresson, 1865:485 - Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (distribution), 10 ( listed as synonym of Ectemnius chrysargyrus (Lepeletier & Brullé, 1834)).
Crabro nokomis Rohwer, 1908:252 Synonymized with Ectemnius chrysargyrus (Lepeletier & Brullé, 1834) by Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14.:10. - Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (distribution).
Crabro novanus Rohwer, 1911:564 Synonymized with Ectemnius 10-maculatus 10-maculatus (Say, 1823) by Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14.:8. - Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1679 ( listed as synonym of Ectemnius decemmaculatus decemmaculatus (Say, 1823)); Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:27 ( listed as synonym of Ectemnius decemmaculatus (Say, 1823)).
Ectemnius 10-maculatus tequesta Pate, 1946:9, ♂♀. Holotype ♀, Miami, Dade County, Florida, August 21 (Academy of Natural Sciences of Philadelphia, no. 10587). - Amarante, 2002Amarante, S.T.P. 2002. A synonymic catalog of the neotropical Crabronidae and Sphecidae (Hymenoptera: Apoidea). Arquivos de Zoologia (São Paulo) 37:1-139.:27 ( listed as synonym of Ectemnius decemmaculatus (Say, 1823)). - As Ectemnius decemmaculatus tequesta: - 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 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Leclercq, 2007Leclercq, J. 2007. Hyménoptères Crabroniens des Amériques du genre Ectemnius Dahlbom 1845 (Hymenoptera: Crabronidae Crabronini). Notes fauniques de Gembloux 60 (4):163-177. (distribution).
Crabro villosifrons Packard, 1866:84 - Fox, 1895Fox, W.J. 1895. The Crabroninae of Boreal America. Transactions of the American Entomological Society 22 (2):129-226.:155 ( listed as synonym of Crabro chrysarginus Lepeletier & Brullé, 1834); Pate, 1946Pate, V.S.L. 1946. New pemphilidine wasps, with notes on previously described forms. I. Ectemnius (Hymenoptera: Sphecidae). Notulae Naturae of the Academy of Natural Sciences of Philadelphia 171:1-14. (distribution), 10 ( listed as synonym of Ectemnius chrysargyrus (Lepeletier & Brullé, 1834)).