Ancistrocerus durangoensis Cameron, 1908:216, sex not indicated.Durango, Colorado, May (leg. Oslar); Bohart, 1965Bohart, R.M. 1965. Synonymy of North American Odynerini described by Peter Cameron. The Pan-Pacific Entomologist 41 (2):107-113.:109, Holotype ♂ (Zürich). - Bequaert, 1925Bequaert, J.C. 1925. The genus Ancistrocerus (Hymenoptera, Vespidae) in North America, with a partial key to the species. Transactions of the American Entomological Society 51 (1):57-117. (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. (distribution); Piekarski et al., 2017Piekarski, P.K., J.M. Carpenter & B.J. Sharanowski 2017. New species of Ancistrocerus (Vespidae, Eumeninae) from the Neotropics with a checklist and key to all species south of the Rio Grande. ZooKeys 718:139-154. (distribution). - As Ancistrocerus catskillensis durangoensis: - Bequaert, 1943Bequaert, J.C. 1943. The North American species of Ancistrocerus, proper (Hymenoptera, Vespidae). Entomologica Americana 23 (4):225-296. (distribution).
Ancistrocerus fulvicarpus Cameron, 1908:222, ♀. ♀, Southwest Colorado, June (leg. Oslar), Allotype ♂, Kenton, Oklahoma, examined (M.C.Z.), designated by Bequaert, 1943Bequaert, J.C. 1943. The North American species of Ancistrocerus, proper (Hymenoptera, Vespidae). Entomologica Americana 23 (4):225-296.:281; Bohart, 1965Bohart, R.M. 1965. Synonymy of North American Odynerini described by Peter Cameron. The Pan-Pacific Entomologist 41 (2):107-113.:109, Holotype ♀ (Zürich). Synonymized with Ancistrocerus durangoensis Cameron, 1908 by Bohart, 1965Bohart, R.M. 1965. Synonymy of North American Odynerini described by Peter Cameron. The Pan-Pacific Entomologist 41 (2):107-113.:109. - 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.:1503 ( listed as synonym of Ancistrocerus durangoensis Cameron, 1908); Piekarski et al., 2017Piekarski, P.K., J.M. Carpenter & B.J. Sharanowski 2017. New species of Ancistrocerus (Vespidae, Eumeninae) from the Neotropics with a checklist and key to all species south of the Rio Grande. ZooKeys 718:139-154.:150 ( listed as synonym of Ancistrocerus durangoensis Cameron, 1908). - As Ancistrocerus lineativentris fulvicarpus: - Bequaert, 1943Bequaert, J.C. 1943. The North American species of Ancistrocerus, proper (Hymenoptera, Vespidae). Entomologica Americana 23 (4):225-296. (distribution).