- As Hemipepsis ustulata ustulata: - Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:35 (listed); 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., 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), 25 (prey); 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 Mygnimia ustulata: - 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), 189 (listed); 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), 143 (listed); Cresson, 1869Cresson, E.T. 1869. Notes on Mexican Pompilidae with descriptions of new species. The Boston Society of Natural History, Proceedings 12:366-380. (distribution), 379 (listed); Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution); 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.:273 (listed); Cameron, 1893Cameron, P. 1893. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :177-257.:184 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:243 (listed); Banks, 1917Banks, N. 1917. New fossorial Hymenoptera. Bull. Mus. Comp. Zool. 61:97-116. (distribution); Banks, 1919Banks, N. 1919. The Psammocharidae of western North America. Bull. Mus. Comp. Zool. 63:229-248. (distribution), 247 (key, listed). - As Priocnemis ustulatus: - Taschenberg, 1869Taschenberg, E.L. 1869. Die Pompiliden des Museums der Universität Halle. Zeitschrift für die Gesammten Naturwissenschaften 34:25-75. (distribution), 38 (description female, listed); Cameron, 1893Cameron, P. 1893. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :177-257.:184 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:243 (listed). - As Salius ustulatus: - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:184 (listed); Cameron, 1893Cameron, P. 1893. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :177-257. (distribution), 184 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:243 (listed).
Mygnimia cressoni Banks, 1926:203,Texas;Kansas;New Mexico;Arizona. - Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:35 ( listed as synonym of Hemipepsis ustulata ustulata Dahlbom,1843); 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.:1527 ( listed as synonym of Hemipepsis ustulata ustulata Dahlbom,1843).