Pompilus arctus Cresson, 1865:453, ♀. Holotype ♀, Colorado Territory, 1864 (leg. Mr. James Ridings); 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.:258, Type ♂ (A.N.S.P., no. 554); 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.:398, Type ♂ (ANSP, no. 554). - Cresson, 1867Cresson, E.T. 1867. Notes on the Pompilidæ of North America, with descriptions of new species. Transactions of the American Entomological Society 1 (1867/1868):85-150. (distribution), 92 (listed); Cresson, 1887Cresson, E.T. 1887. Synopsis of the families and genera of the Hymenoptera of America, North of Mexico. Transactions of the American Entomological Society Supplementary Volume:1-350. (distribution), 270 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 273 (listed); 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), 260 (biology); 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); Kurczewski & Kurczewski, 1968Kurczewski, F.E. & E.J. Kurczewski 1968. Host records for some North American Pompilidae (Hymenoptera). First supplement. Journal of the Kansas Entomological Society 41 (3):367-382.:376 (hosts); 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.:79 (listed); Shimizu, 1994Shimizu, A. 1994. Phylogeny and Classification of the Family Pompilidae (Hymenoptera). Bull. Nat. Hist. Tokyio Metropol. Univ. 2:1-142.:45 (listed); Kurczewski, 1999Kurczewski, F.E. 1999. Comparison of spider wasp faunas from two ecologically distinct sites in Erie County, Pennsylvania (Hymenoptera: Pompilidae). Journal of the Kansas Entomological Society 72 (4):339-360. (distribution), 355 (biology); 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 Arachnospila arcta: - Shimizu, 1994Shimizu, A. 1994. Phylogeny and Classification of the Family Pompilidae (Hymenoptera). Bull. Nat. Hist. Tokyio Metropol. Univ. 2:1-142.:45 (comb. nov.); Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution); Kurczewski et al., 2024Kurczewski, F.E., R.C. West & C. Waichert 2024. New host records for Nearctic and Neotropical spider wasps (Hymenoptera: Pompilidae). Insecta Mundi 1034:1-32. (distribution, hosts [Callobius severus Simon (Amaurobiidae), Eratigena duellica (Simon) (Agelenidae)]). - As Arachnospila arctus: - 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). - As Arachnospila aretus: - 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 Pycnopompilus arctus:
Psammochares anoplinus Banks, 1919:232, ♀.Alberta: Medicine Lake to Jasper, 4 July (leg. Bradley);Calif.: Lake Tahoe, 6,200 ft., 21 August (leg. Bradley);Oregon: Umatilla, 24 June; Paratype (M. C. Z., 10,396); Type (Cornell Univ. Coll); 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.:258, Type ♀ (C.U., no. 683); 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.:398, Type ♀ (CU, no. 683). - Banks, 1919Banks, N. 1919. The Psammocharidae of western North America. Bull. Mus. Comp. Zool. 63:229-248. (distribution), 231 (key female), 232 (description female); 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.:258 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:398 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:1565 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:79 ( listed as synonym of Pompilus arctus Cresson, 1865). - As Pycnopompilus anoplinus:
Pycnopompilus siouxensis Dreisbach, 1950:592, ♂. Holotype ♂, Glen, Sioux Co., Neb., 4000', VIII-13-06 (Neb., leg. H.S. Smith); 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.:258, Type ♂ (Univ. Nebraska); 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.:398, Type ♂ (Univ. Nebraska). Synonymized with Pompilus arctus Cresson, 1865 by 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.:258. - 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.:398 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:1565 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:79 ( listed as synonym of Pompilus arctus Cresson, 1865).
Pycnopompilus sculleni Dreisbach, 1950:594, ♂. Holotype ♂, Cornucopia, Ore., 7100', VII-25-36 (MCZ, leg. H.A. Scullen); 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.:258, Type ♂ (M.C.Z., no. 28,382); 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.:398, Type ♂ (MCZ, no. 28,382). Synonymized with Pompilus arctus Cresson, 1865 by 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.:258. - 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.:398 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:1565 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:79 ( listed as synonym of Pompilus arctus Cresson, 1865).
Pycnopompilus parvus Dreisbach, 1952:152, ♂. Holotype ♂, Kelton, Utah, VIII-24-49 (U.S.N.M., leg. G.F. Knowlton); 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.:398, Type ♂ (USNM, no. 66,587). - 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.:398 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:1565 ( listed as synonym of Pompilus arctus Cresson, 1865); 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.:79 ( listed as synonym of Pompilus arctus Cresson, 1865).