Pepsis apicalis Lepeletier, 1845:472, ♀. ♀, Exotique. Sans patrie (Musée de M. Serville), Lectotype ♀, examined (Museo ed Istituto di Zoologia Sistematica dell’ Università, Turin), 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.:97. Synonymized with Pepsis aurozonata Smith, 1855 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.:97. - Smith, 1855Smith, F. 1855. Catalogue of Hymenopterous Insects in the collection of the British Museum. Part III, Mutillidae and Pompilidae. :203 pp, 5 pl.:189 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:247 (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.:317 ( listed as synonym of Pepsis somatochlora Hurd, 1950).
Pepsis aurozonata Smith, 1855:191, ♂. Holotype ♂, Brazil, Lectotype ♂, examined (British Museum (Natural History) [now The Natural History Museum, London]), 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.:97. - Lucas, 1895Lucas, R. 1895. Die Pompiliden-Gattung Pepsis. Berliner Entomologische Zeitschrift 39 (4):449-840. (distribution); Fox, 1897Fox, W.J. 1897. Contributions to a knowledge of the Hymenoptera of Brazil, No. 2. - Pompilidae. Proceedings of the Academy of Natural Sciences of Philadelphia 49:229-283. (distribution), 280 (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), 248 (listed); Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525.:318 (key male), 403 (key male); 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. (distribution), 28 (key male), 30 (key female), 33 (key male), 55 (key female), 97 (description male, listed), 98 (biology, description female, distribution); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (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), 15 (prey); 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).
Pepsis somatochlora Hurd, 1950:133, no descr. Replacement name for Pepsis apicalis Lepeletier, 1845 by Hurd, 1950Hurd, P.D. Jr. 1950. Nomenclatorial notes on the genus Pepsis (Hymenoptera: Pompilidae). The Pan-Pacific Entomologist 26 (3):132-133.:133 (nec Pepsis apicalis Gray, 1832:516 xm). - 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.:97 ( listed as synonym of Pepsis aurozonata Smith, 1855).