Pepsis aquila Lucas, 1895:797, ♂. ♂, Mexiko (Mus. Hung.), Lectotype ♂, examined (Természettudományi Múzeum, Budapest), designated by Vardy, 2002Vardy, C.R. 2002. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 2. The P. grossa- to P. deaurata-groups. Zool. Verh. 337:1-134.:63. - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 247 (listed); Lucas, 1919Lucas, R. 1919. Pompiliden-Studien. I. Arch. Naturgesch., A. 83 (5):1-180+3 pls. (distribution); 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), 302 (description male); Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:30 (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); Vardy, 2002Vardy, C.R. 2002. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 2. The P. grossa- to P. deaurata-groups. Zool. Verh. 337:1-134. (distribution), 34 (key male), 54 (key female), 63 (description female, description male, listed), 64 (distribution); Ramírez-Benavides & Jansen-González, 2018Ramírez-Benavides, W. & S. Jansen-González 2018. Flower visitation of Passiflora apetala, P. auriculata and P. holosericea (Passifloraceae) by Pepsis aquila (Hymenoptera: Pompilidae). Fragmenta entomologica 50 (1):57-59. (biology, 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).
Pepsis pyramus Lucas, 1895:742, ♂♀. ♂, ♀, Mexiko (Mus. Berol., leg. Deppe), Lectotype ♂, examined (Museum für Naturkunde der Humboldt-Universität zu Berlin), designated by Vardy, 2002Vardy, C.R. 2002. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 2. The P. grossa- to P. deaurata-groups. Zool. Verh. 337:1-134.:63. Synonymized with Pepsis aquila Lucas, 1895 by Vardy, 2002Vardy, C.R. 2002. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 2. The P. grossa- to P. deaurata-groups. Zool. Verh. 337:1-134.:63. - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 260 (listed); 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).
Pepsis bonariensis sensu Lucas, 1895:754
Pepsis linsleyi Hurd, 1950:132, no descr. Replacement name for Pepsis bonariensis sensu Lucas, 1895 by Hurd, 1950Hurd, P.D. Jr. 1950. Nomenclatorial notes on the genus Pepsis (Hymenoptera: Pompilidae). The Pan-Pacific Entomologist 26 (3):132-133.:132 (nec Pepsis bonariensis Lepeletier, 1845:476 xf). - 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); Vardy, 2002Vardy, C.R. 2002. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 2. The P. grossa- to P. deaurata-groups. Zool. Verh. 337:1-134.:63 ( listed as synonym of Pepsis aquila Lucas, 1895).
Pepsis praetexta Haupt, 1952:362 (key), ♀. Holotype ♀, Costa Rica (San Mateo) (Haupt). Replacement name for Pepsis bonariensis Lepeletier, 1845 by Haupt, 1952Haupt, H. 1952. Alte und neue Pepsis-Arten (Hymenoptera-Sphecoidea) Pompilidae, olim Psammocharidae auct. Nova Acta Leopoldina 15 (109):311-414.:362. - Vardy, 2002Vardy, C.R. 2002. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 2. The P. grossa- to P. deaurata-groups. Zool. Verh. 337:1-134.:63 ( listed as synonym of Pepsis aquila Lucas, 1895).
Pepsis pallidipennis Haupt, 1952:363 (key), ♀. Holotype ♀, Costa Rica (San José) (Haupt). Synonymized with Pepsis aquila Lucas, 1895 by Vardy, 2002Vardy, C.R. 2002. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 2. The P. grossa- to P. deaurata-groups. Zool. Verh. 337:1-134.:63.