Pompilus unifasciatus Say, 1828:pl. 42, ♀. Holotype ♀, Easton, Pennsylvania (leg. Say & Maclure). - 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), 112 (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.:271 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:242 (listed); Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:62 (listed). - As Entypus unifasciatus unifasciatus: - Evans, 1993Evans, H.E. 1993. New records of Pompilidae from the Southern Rocky Mountain States. Sphecos 24:15. (distribution); Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution); Leavengood, Jr. J.M. et al., 2011Leavengood, Jr. J.M., Waichert, C. & Rodriguez, J. 2011. A distributional checklist of the spider wasps (Hymenoptera: Pompilidae) of Florida. Insecta Mundi 0161 (March 2011):1-8. (distribution); Leavengood et al., 2011Leavengood, J.M., C.Waichert & J. Rodriguez 2011. A distributional checklist of the spider wasps (Hymenoptera: Pompilidae) of Florida. Insecta Mundi 0161:1-8. (distribution); Contreras, 2017Contreras, J.M. 2017. Nuevos registros de caza de Entypus unifasciatus dumosus (Spinola, 1851) (Hymenoptera: Pompilidae) en Chile. Arquivos Entomolóxicos 18:253-258. (distribution), 256 (prey); Kurczewski et al., 2020Kurczewski, F.E., R.C. West, C. Waichert, K.C. Kissane, D. Ubick & J.P. Pitts 2020. New and unusual host records for North American and South American spider wasps (Hymenoptera: Pompilidae). Zootaxa 4891 (1):1-112. (distribution), 32 (prey). - As Priocnemioides unifasciatus: - As Priocnemioides unifasciatus unifasciatus: - Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:62 (listed); Krombein, 1958Krombein, K.V. 1958. Family Pompilidae. In: Krombein, K.V. (Ed.). Hymenoptera of America North of Mexico - Synoptic Catalog. Washington: U.S. Department of Agriculture. Agriculture Monograph No. 2. First Supplement, 305 pp. 170-186.:171 (prey [Lycosa sp.]); Krombein, 1958Krombein, K.V. 1958. Additions during 1956 and 1957 to the wasp fauna of Lost River State Park, West Virginia, with biological notes and descriptions of new species (Hymenoptera, Aculeata). Proceedings of the Entomological Society of Washington 60 (2):49-64. (distribution). - As Priocnemis unifasciatus: - 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.:272 (listed). - As Priocnemoides unifasciatus: - As Salius unifasciatus: - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:242 (listed).
Pompilus pallidicornis Smith, 1855:160, ♀. Holotype ♀, St. John's Bluff; East Florida. - Smith, 1855Smith, F. 1855. Catalogue of Hymenopterous Insects in the collection of the British Museum. Part III, Mutillidae and Pompilidae. :203 pp, 5 pl. (distribution); 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.:112 (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.:271 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:242 ( listed as synonym of Salius unifasciatus (Say, 1828)).