Pepsis flavescens Lucas, 1895:511, ♂. ♂, Montevideo (Mus. Berol., leg. Sello); ♂, Brasilien: Lages (Mus. Berol., leg. Fruhstorfer), Lectotype ♂, examined (Museum für Naturkunde der Humboldt-Universität zu Berlin), 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.:176. - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 253 (listed); Brèthes, 1914Brèthes, J. 1914. Contribution â l'étude des Pepsis. Museo nacional de historia natural de Buenos Aires 26:235-360. (distribution); Lucas, 1919Lucas, R. 1919. Pompiliden-Studien. I. Arch. Naturgesch., A. 83 (5):1-180+3 pls. (distribution); 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), 374 (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); Haupt, 1952Haupt, H. 1952. Alte und neue Pepsis-Arten (Hymenoptera-Sphecoidea) Pompilidae, olim Psammocharidae auct. Nova Acta Leopoldina 15 (109):311-414. (distribution), 339 (key male); 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.:25 (key female); Wahis & Rojas, 2003Wahis, R. & F. Rojas 2003. Los Pompilidos de Chile (Hymenoptera: Pompilidae). Rev. Chilena Ent. 29:89-103. (distribution), 90 (distribution, listed, taxonomy); 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), 176 (listed), 177 (description female, description male), 180 (distribution), 20 (key male), 35 (key male), 36 (key male), 78 (key female); 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 periphetes Lucas, 1895:806, ♂♀.Allegrette (Mus. Berol., leg. Sello), Lectotype ♂, examined (Museum für Naturkunde der Humboldt-Universität zu Berlin), 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.:176. Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - 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); 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 limbatella Brèthes, 1908:242, ♂. ♂, Rep. Argentina, Lectotype ♂, examined (Museo Argentino de Ciencias Naturales, Buenos Aires), 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.:176. Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - Brèthes, 1914Brèthes, J. 1914. Contribution â l'étude des Pepsis. Museo nacional de historia natural de Buenos Aires 26:235-360. (distribution); 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); Haupt, 1952Haupt, H. 1952. Alte und neue Pepsis-Arten (Hymenoptera-Sphecoidea) Pompilidae, olim Psammocharidae auct. Nova Acta Leopoldina 15 (109):311-414. (distribution).
Pepsis discoidalis Brèthes, 1914:312, ♂♀. 1 ♂, 1 ♀, Bonpland (Misiones) (Mus. Nat. de Buénos Aires, leg. P. Jörgensen), Lectotype ♂, examined (Museo Argentino de Ciencias Naturales, Buenos Aires), 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.:176. Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - 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 limbatica Brèthes, 1914:342, ♂. Holotype ♂, Palmeira, État du Paraná, Brésil, V.1898 (Mus. São Paulo, leg. Bicego); 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.:176, Holotype ♂, examined (Museu de Zoologia de la Universidade de São Paulo); Andrade et al., 2018Andrade, T. de O., K.S. Ramos, H.C. Onody, A.D. dos Santos & C.R.F. Brandão 2018. Type specimens of Pompiloidea, Thynnoidea and Vespoidea (Hymenoptera) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil. Papéis Avulsos de Zoologia 58:1-21.:7, Holotype ♂ (Museu de Zoologia da Universidade de São Paulo, Brazil, MZSP 56477). Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - 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); Andrade et al., 2018Andrade, T. de O., K.S. Ramos, H.C. Onody, A.D. dos Santos & C.R.F. Brandão 2018. Type specimens of Pompiloidea, Thynnoidea and Vespoidea (Hymenoptera) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil. Papéis Avulsos de Zoologia 58:1-21.:7 ( listed as synonym of Pepsis flavescens Lucas, 1895).
Pepsis militaris Brèthes, 1914:343, ♀. 3 ♀♀, Campos de Jordão (S. Paulo), 1906 (Mus. São Paulo, leg. Lüderwald), Lectotype ♀, examined (Museu de Zoologia de la Universidade de São Paulo), 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.:176; Andrade et al., 2018Andrade, T. de O., K.S. Ramos, H.C. Onody, A.D. dos Santos & C.R.F. Brandão 2018. Type specimens of Pompiloidea, Thynnoidea and Vespoidea (Hymenoptera) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil. Papéis Avulsos de Zoologia 58:1-21.:7, Lectotype ♀ (Museu de Zoologia da Universidade de São Paulo, Brazil, MZSP 56502); Andrade et al., 2018Andrade, T. de O., K.S. Ramos, H.C. Onody, A.D. dos Santos & C.R.F. Brandão 2018. Type specimens of Pompiloidea, Thynnoidea and Vespoidea (Hymenoptera) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil. Papéis Avulsos de Zoologia 58:1-21.:7, Paralectotypes 2 ♀♀ (Museu de Zoologia da Universidade de São Paulo, Brazil, MZSP 56503, 56504). Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - 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); Andrade et al., 2018Andrade, T. de O., K.S. Ramos, H.C. Onody, A.D. dos Santos & C.R.F. Brandão 2018. Type specimens of Pompiloidea, Thynnoidea and Vespoidea (Hymenoptera) deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil. Papéis Avulsos de Zoologia 58:1-21.:7 ( listed as synonym of Pepsis flavescens Lucas, 1895).
Pepsis cavillatrix Haupt, 1952:341 (key), ♂♀. Holotype ♀, Brasilien (Sta. Catharina: Nova Teutonia) (Haupt); Syntype 1 ♂, Brasilien (Sta. Catharina: Nova Teutonia) (Haupt), Lectotype ♂, examined (Martin-Luther Universität, Halle), 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.:176. Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - Haupt, 1952Haupt, H. 1952. Alte und neue Pepsis-Arten (Hymenoptera-Sphecoidea) Pompilidae, olim Psammocharidae auct. Nova Acta Leopoldina 15 (109):311-414.:341 (key).
Pepsis arcuata Haupt, 1952:342 (key), ♀. 2 ♀♀, Brasilien (Sta. Catharina: Nova Teutonia) (Haupt), Lectotype ♀, examined (Martin-Luther Universität, Halle), 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.:176. Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - Haupt, 1952Haupt, H. 1952. Alte und neue Pepsis-Arten (Hymenoptera-Sphecoidea) Pompilidae, olim Psammocharidae auct. Nova Acta Leopoldina 15 (109):311-414.:342 (key).
Pepsis recterugosa Haupt, 1952:342 (key), ♀. Holotype ♀, Brasilien (Sta. Catharina: Nova Teutonia) (Haupt); 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.:176, Holotype ♀, examined (Martin-Luther Universität, Halle). Synonymized with Pepsis flavescens Lucas, 1895 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.:176. - Haupt, 1952Haupt, H. 1952. Alte und neue Pepsis-Arten (Hymenoptera-Sphecoidea) Pompilidae, olim Psammocharidae auct. Nova Acta Leopoldina 15 (109):311-414.:342 (key).
Pepsis adversatrix Haupt, 1952:373 (key), ♂♀. 2 ♂♂, Brasilien (Sta. Catharina) (Haupt); 3 ♀♀, Uruguay (San José) (Haupt), Lectotype ♂, examined (Martin-Luther Universität, Halle), 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.:176. Synonymized with Pepsis flavescens Lucas, 1895 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.:176.