Pepsis pallidolimbata Lucas, 1895:745, ♀. ♀, Nordwest-Amerika (Mus. caes. Vindob.), Lectotype ♀, examined (Naturhistorisches Museum, Vienna), designated by Vardy, 2000Vardy, C.R. 2000. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 1. Introduction and the P. rubra species-group. Zool. Verh. Leiden 332:1-86.:77. - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:259 (listed); Fox, 1898Fox, W.J. 1898. The species of Pepsis, inhabiting America north of Mexico. Proceedings of the Entomological Society of Washington 4 (2):140-148. (distribution); Banks, 1921Banks, N. 1921. New Nearctic fossorial Hymenoptera. Ann. Ent. Soc. Amer. 16:16-26.:23 (key); Hurd, 1952Hurd, P.D. Jr. 1952. Revision of the Nearctic species of the pompilid genus Pepsis (Hymenoptera, Pompilidae). The American Museum of Natural History, Bulletin 98 (article 4):261-334. (distribution), 306 (description male), 307 (description female); Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:31 (listed); Vardy, 2000Vardy, C.R. 2000. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 1. Introduction and the P. rubra species-group. Zool. Verh. Leiden 332:1-86. (distribution), 35 (key male), 57 (key female), 77 (biology, description female, description male, distribution, listed); 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), 12 (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); Fernández et al., 2022Fernández, F., J. Rodriguez, C. Waichert, B. Decker & J. Pitts 2022. Twenty two years later: An updated checklist of Neotropical spider wasps (Hymenoptera: Pompilidae). Zootaxa 5116 (4):451-503. (distribution). - As Pepsis pallidolimbata pallidolimbata: - Hurd, 1952Hurd, P.D. Jr. 1952. Revision of the Nearctic species of the pompilid genus Pepsis (Hymenoptera, Pompilidae). The American Museum of Natural History, Bulletin 98 (article 4):261-334. (distribution), 279 (key male), 281 (key female); Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:31 (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. (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); Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution).
Pepsis bequaerti Salman, 1928:23 - Hurd, 1952Hurd, P.D. Jr. 1952. Revision of the Nearctic species of the pompilid genus Pepsis (Hymenoptera, Pompilidae). The American Museum of Natural History, Bulletin 98 (article 4):261-334. (distribution), 307 ( listed as synonym of Pepsis pallidolimbata pallidolimbata Lucas, 1895); Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:31 ( listed as synonym of Pepsis pallidolimbata pallidolimbata Lucas, 1895); 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.:1525 ( listed as synonym of Pepsis pallidolimbata pallidolimbata Lucas, 1895); Vardy, 2000Vardy, C.R. 2000. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 1. Introduction and the P. rubra species-group. Zool. Verh. Leiden 332:1-86.:77 ( listed as synonym of Pepsis pallidolimbata Lucas, 1895).
Pepsis pallidolimbata smithi Hurd, 1948:142 Synonymized with Pepsis pallidolimbata Lucas, 1895 by Vardy, 2000Vardy, C.R. 2000. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 1. Introduction and the P. rubra species-group. Zool. Verh. Leiden 332:1-86.:77. - Hurd, 1952Hurd, P.D. Jr. 1952. Revision of the Nearctic species of the pompilid genus Pepsis (Hymenoptera, Pompilidae). The American Museum of Natural History, Bulletin 98 (article 4):261-334. (distribution), 279 (key male), 281 (key female); Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:31 (listed); 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).