Pompilus orophilus Evans, 1947:14, ♀. Holotype ♀, New Mexico, Raton, Colfax Co., 7000 feet, August 12, 1946 (Mus. Comp. Zool., leg. H.E. Evans); Evans, 1948Evans, H.E. 1948. A new subgenus of Pompilus (Hymenoptera: Pompilidae). Proceedings of the Entomological Society of Washington 50:141-149.:149, Allotype ♂, Medicine Hat, Alberta, Canada, J.L. Carr (University of Alberta; type will be deposited in the Canadian National Collection, Ottawa, leg. July 5, 1940); Evans, 1951Evans, H.E. 1951. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilinae (Hymenoptera: Pompilidae). Part III. Transactions of the American Entomological Society 77:203-340.:214, Type ♀ (M.C.Z.); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:364, Type ♀ (MCZ, no. 27,660). - Evans, 1948Evans, H.E. 1948. A new subgenus of Pompilus (Hymenoptera: Pompilidae). Proceedings of the Entomological Society of Washington 50:141-149. (distribution), 148 (first description male); Evans, 1951Evans, H.E. 1951. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilinae (Hymenoptera: Pompilidae). Part III. Transactions of the American Entomological Society 77:203-340. (distribution); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442. (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); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:65 (listed); Vanoye-Eligio et al., 2021Vanoye-Eligio, M., M. del C. Gómez-Camal, B. del R. Martín-Canché, M. Rosas-Mejía, J.V. HortaVega & V. Vanoye-Eligio 2021. Current knowledge of the family Pompilidae (Hymenoptera: Vespoidea) in Mexico: diversity and geographical distribution. Zootaxa 5071 (4):505-536. (distribution). - As Hesperopompilus orophilus: - Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution); Horta Vega et al., 2009Horta Vega, J.V., M.E.García Gutiérrez, M.I. Benavides Martínez & A. Correa Sandoval 2009. Pompilidae (Hymenoptera) de algunos municipios del centro y sur de Tamaulipas, México. Acta Zool. Mex. (n.s.) 25 (1):71-82. (distribution); Vanoye-Eligio et al., 2021Vanoye-Eligio, M., M. del C. Gómez-Camal, B. del R. Martín-Canché, M. Rosas-Mejía, J.V. HortaVega & V. Vanoye-Eligio 2021. Current knowledge of the family Pompilidae (Hymenoptera: Vespoidea) in Mexico: diversity and geographical distribution. Zootaxa 5071 (4):505-536. (distribution).