Pepsis Sabina Mocsáry, 1885:265, ♀. ♀, Merida in Venezuela (Mus. Hung.), Lectotype ♀, examined (Természettudományi Múzeum, Budapest), designated by Vardy, 2005Vardy, C.R. 2005. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 3. The P. inclyta- to P. auriguttata-groups. Zoologische Mededelingen Leiden 79 (5):1-305.:275. - Lucas, 1895Lucas, R. 1895. Die Pompiliden-Gattung Pepsis. Berliner Entomologische Zeitschrift 39 (4):449-840. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 262 (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); Vardy, 2005Vardy, C.R. 2005. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 3. The P. inclyta- to P. auriguttata-groups. Zoologische Mededelingen Leiden 79 (5):1-305. (distribution), 18 (key female), 20 (key male), 21 (key female), 275 (description female, description male, listed), 277 (distribution), 33 (key male), 72 (key female); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution); Fernández et al., 2017Fernández, F., V. Castro, J. Rodríguez, C. Waichert & J.P. Pitts 2017. Avispas cazadoras de arañas de Colombia (Hymenoptera: Pompilidae). Proceditor Ltda., Bogotá, D. C., Colombia. (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).
Pepsis astioles Banks, 1946:355, ♀. Type ♀, Vista Nieve, San Lorenzo Mt., Colombia, 21 December (M. C. Z., no. 21724, leg. J. Bequaert); Vardy, 2005Vardy, C.R. 2005. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 3. The P. inclyta- to P. auriguttata-groups. Zoologische Mededelingen Leiden 79 (5):1-305.:275, Holotype ♀, examined (Museum of Comparative Zoology, Cambridge, Massachusetts). Synonymized with Pepsis sabina Mocsáry, 1885 by Vardy, 2005Vardy, C.R. 2005. The New World tarantula-hawk wasp genus Pepsis Fabricius (Hymenoptera: Pompilidae). Part 3. The P. inclyta- to P. auriguttata-groups. Zoologische Mededelingen Leiden 79 (5):1-305.:275. - Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525. (distribution), 354 (key), 355 (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).