Sphex ruficornis Fabricius, 1775:352, sex not indicated.America meridionali, Lectotype ♀, examined (University Zoological Museum, Copenhagen (Kiel collection)), 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.:232. - Fabricius, 1781Fabricius, J.C. 1781. Species Insectorum exhibentes eorum differentiae specificas, synonyma, auctorum, locanatalia, metamorphosin. Vol. 1. Hamburgi et Kilonii. iii-viii + 552 pp.:450 (listed); Fabricius, 1787Fabricius, J.C. 1787. Mantissa insectorum sistens species nuper detectas adiectis characteribus genericis, differentiis specificis, emendationibus, observationibus. Tome I. Proft, Hafniae [=Copenhagen]. 348 pp.:278 (listed); Fabricius, 1793Fabricius, J.C. 1793. Entomologia Systematica emendata et aucta. Vol. 2. Christian Gottlieb Proft, Hafniae. viii + 519 pp.:219 (listed); Fabricius, 1804Fabricius, J.C. 1804. Systema Piezatorum secundum Ordines, Genera, Species adiectis Synonymis, Locis, Observationibus, Descriptionibus. Apud Carolum Reichard, Brunsvigae. xiv + 440 + 30 pp.:215 (listed); Cresson, 1865Cresson, E.T. 1865. On the Hymenoptera of Cuba. Proceedings of the Entomological Society of Philadelphia 4:200 pp.:134 (listed); Cresson, 1867Cresson, E.T. 1867. Notes on the Pompilidæ of North America, with descriptions of new species. Transactions of the American Entomological Society 1 (1867/1868):85-150.:148 (listed); Gundlach, 1886Gundlach, J. 1886. Contribucion a la Entomologia Cubana. :1-394.:123 (listed); Cameron, 1893Cameron, P. 1893. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :177-257.:219 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:261 (listed); 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.:232 (listed); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:19 (listed). - As Pepsis ramicornis: [lapsus] - 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.:232 (lapsus [Lapsus for ruficornis]). - As Pepsis ramicornis: [lapsus] - 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.:232 (lapsus [Lapsus for ruficornis]). - As Pepsis ruficornis: - Fabricius, 1804Fabricius, J.C. 1804. Systema Piezatorum secundum Ordines, Genera, Species adiectis Synonymis, Locis, Observationibus, Descriptionibus. Apud Carolum Reichard, Brunsvigae. xiv + 440 + 30 pp.:215 (listed); Latreille, 1809Latreille, P.A. 1809. Genera Crustaceorum et Insectorum secundum ordinem natrualem in familias disposita, iconibus exemplisque plurimis explicata, IV. Parisiis et Argentorat., König.:62 ( listed as synonym of Pepsis stellata (Fabricius, 1793)); Blanchard, 1840Blanchard, E. 1840. Histoire naturelle des insectes: orthoptères, hyménoptères, lepidoptères et diptères. Histoire Naturelle des Animaux Articulés Annelides, Crustacés, Arachnides, Myriapodes et Inséctes, volume 3. :672 pp.:355 (listed); Lepeletier, 1845Lepeletier de Saint Fargeau, A.L.M. 1845. Histoire naturelle des Insects. Suites à Buffon. Hyménoptères, III. Roret, Paris. 1-646.:480 (listed); Dahlbom, 1845Dahlbom, A.G. 1845. Hymenoptera Europaea Praecipue Borealia-per familias, genera, species et varietates disposita atque descripta. Sphex Linn. Fasciculus III.: Crabronidarum continuatio et finis, Supplementum I. 353-528.:463 (listed); Smith, 1855Smith, F. 1855. Catalogue of Hymenopterous Insects in the collection of the British Museum. Part III, Mutillidae and Pompilidae. :203 pp, 5 pl. (distribution), 198 (listed); Cresson, 1865Cresson, E.T. 1865. On the Hymenoptera of Cuba. Proceedings of the Entomological Society of Philadelphia 4:200 pp. (distribution), 134 (listed); Cresson, 1867Cresson, E.T. 1867. Notes on the Pompilidæ of North America, with descriptions of new species. Transactions of the American Entomological Society 1 (1867/1868):85-150. (distribution), 148 (listed); Taschenberg, 1869Taschenberg, E.L. 1869. Die Pompiliden des Museums der Universität Halle. Zeitschrift für die Gesammten Naturwissenschaften 34:25-75.:31 (listed); Dewitz, 1881Dewitz, H. 1881. Hymenopteren von Portorico. Berliner Entomologische Zeitschrift 25:197-208. (distribution); Gundlach, 1886Gundlach, J. 1886. Contribucion a la Entomologia Cubana. :1-394. (distribution), 123 (description, listed); Gundlach, 1887Gundlach, J. 1887. Apuntes para la fauna Puerto-Riqueña. Anales de la Sociedad Española de Historia Natural 16 (1):115-199. (distribution); Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:219 (listed); Cameron, 1893Cameron, P. 1893. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :177-257. (distribution), 219 (listed); 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.:261 (listed); Ashmead, 1900Ashmead, W.H. 1900. Report upon the aculeate Hymenoptera of the islands of St. Vincent and Grenada, with additions to the parasitic Hymenoptera and a list of the described Hymenoptera of the West Indies. Transactions of the Entomological Society of London pt. II:207-367. (distribution); Kriechbaumer, 1900Kriechbaumer, J. 1900. Von Ihrer Königl. Hoheit der Prinzessin Therese von Bayern auf einer Reise in Südamerika gesammelte Insecten. 1. Hymenoptera (Fortsetzung). Berliner Entomologische Zeitschrift 45:97-107. (distribution); Cameron, 1912Cameron, P. 1912. The Hymenoptera of the Georgetown Museum. Part IV. Timehri: The Journal of the Royal Agricultural Society of British Guiana 3rd ser. (2):413-440. (distribution); Rohwer & Holland, 1917Rohwer, S.A. & W.J. Holland 1917. List of the Hymenoptera collected on the Isle of Pines by G. A. Link, Sr., 1912-1913, and contained in the Carnegie Museum. Annals of the Carnegie Museum 11:291-296. (distribution); Lucas, 1919Lucas, R. 1919. Pompiliden-Studien. I. Arch. Naturgesch., A. 83 (5):1-180+3 pls. (distribution); Banks, 1928Banks, N. 1928. Notes on Cuban and other West Indian Psammocharidae. Studies on Cuban Insects. Studies Biol. Lab. in Cuba (Atkins Foundation) 1:3-10. (distribution), 3 (key male), 4 (key female), 5 (listed); Banks, 1944Banks, N. 1944. The Psammocharidae (Hymenoptera) taken at Kartabo and other localities in British Guiana. Zoologica 29:97-112. (distribution), 101 (listed), 99 (key); 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), 379 (key male), 392 (listed); Wolcott, 1948Wolcott, G.N. 1948. The insects of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico 32 (4):749-975. (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); Alayo, 1969Alayo, P.D. 1969. Estudios sobre los Himenópteros de Cuba. IV Subfamilias Pepsinae Y Ceropalinae (Familia Pompilidae). Poeyana 61:1-45.:10 ( listed as synonym of Pepsis saphirus Palisot de Beauvois, 1809); Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218.:165 ( listed as synonym of Pepsis saphirus Palisot de Beauvois, 1809); Snelling, 1993Snelling, R.R. 1993. Guana Island - 1992. Sphecos 24:17-19. (distribution); Snelling & Torres, 2004Snelling, R.R. & J.A. Torres 2004. The Spider Wasps of Puerto Rico and the British Virgin Islands (Hymenoptera: Pompilidae). Journal of the Kansas Entomological Society 77 (4):356-376. (distribution), 368 (discussion); Snelling, 2005Snelling, R.R. 2005. Wasps, ants, and bees: Aculeate Hymenoptera. In: Lazell, J. (Ed.). Island: Fact and Theory in Nature. 283-296. (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), 232 (listed), 233 (description female, description male), 234 (distribution), 34 (key male), 74 (key female); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); Leavengood, Jr. J.M. et al., 2011Leavengood, Jr. J.M., Waichert, C. & Rodriguez, J. 2011. A distributional checklist of the spider wasps (Hymenoptera: Pompilidae) of Florida. Insecta Mundi 0161 (March 2011):1-8. (distribution); Leavengood et al., 2011Leavengood, J.M., C.Waichert & J. Rodriguez 2011. A distributional checklist of the spider wasps (Hymenoptera: Pompilidae) of Florida. Insecta Mundi 0161:1-8. (distribution); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47. (distribution), 19 (listed), 6 (key); Medina, 2016Medina Rosa, J.R. 2016. Avispas de Puerto Rico - Hymenoptera: Symphyta, Apocrita (Aculeata). Ediciones Digitales, 1-23. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668. (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), 21 (prey); Meurgey & Ramage, 2020Meurgey, F. & T. Ramage 2020. Challenging the Wallacean shortfall: A total assessment of insect diversity on Guadeloupe (French West Indies), a checklist and bibliography. Insecta Mundi 786:1-183. (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); Kurczewski et al., 2024Kurczewski, F.E., R.C. West & C. Waichert 2024. New host records for Nearctic and Neotropical spider wasps (Hymenoptera: Pompilidae). Insecta Mundi 1034:1-32. (distribution, hosts [Caribena laeta (C. L. Koch) (Theraphosidae)]). - As Pompilus ruficornis: - Dewitz, 1881Dewitz, H. 1881. Hymenopteren von Portorico. Berliner Entomologische Zeitschrift 25:197-208. (distribution), 203 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:261 (listed).
Sphex ruficornis Fabricius, 1793:219,America meridionali.
Pepsis sapphirius Palisot-Beauvais, 1809:39, t. 1, f. 4, 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.:232, lost, Saint-Domingue. Synonymized with Pepsis ruficornis (Fabricius, 1775) 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.:232. - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:262 (listed). - As Pepsis saphirus: - Smith, 1855Smith, F. 1855. Catalogue of Hymenopterous Insects in the collection of the British Museum. Part III, Mutillidae and Pompilidae. :203 pp, 5 pl. (distribution); Cresson, 1867Cresson, E.T. 1867. Notes on the Pompilidæ of North America, with descriptions of new species. Transactions of the American Entomological Society 1 (1867/1868):85-150. (distribution), 149 (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), 279 (key male), 283 (key female), 288 (description female, description male); Krombein, 1953Krombein, K.V. 1953. The wasps and bees of the Bimini Island Group, Bahamas, British West Indies (Hymenoptera: Aculeata). American Museum Novitates 1633:1-29. (distribution); Townes, 1957Townes, H. 1957. Nearctic wasps of the subfamilies Pepsinae and Ceropalinae. Bulletin of the United States National Museum 209:1-286.:29 (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); Maldonado & Navarro, 1967Maldonado, J. & Navarro, C.A. 1967. Additions and corrections to Wolcott's 'Insects of Puerto Rico'. Caribbean Journal of Science 7 (1-2):45-64. (distribution); Alayo, 1969Alayo, P.D. 1969. Estudios sobre los Himenópteros de Cuba. IV Subfamilias Pepsinae Y Ceropalinae (Familia Pompilidae). Poeyana 61:1-45. (distribution), 10 (listed), 4 (key male), 5 (key female); Alayo, 1973Alayo, P.D. 1973. Catálogo de los Himenopteros de Cuba. Instituto Cubano del libro, La Habana. 1-218. (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); Simonthomas, 1984Simonthomas, R.T. 1984. Notes on the Hymenoptera Aculeata from St. Martin, Saba, and St. Eustatius. Studies on the fauna of Curaçao and other Caribbean islands 67:92-97. (distribution); Fernández et al., 2001Fernández T., J.L., G. Garcés G., E. Portuondo F., P. Valdés T. & I. Expósito E. 2001. Insectos asociados con flores de malezas del Jardín Botánico de Santiago de Cuba, con énfasis en Hymenoptera. Revista de Biología Tropical (International Journal of Tropical Biology and Conservation) 49 (3-4):1013-1026. (distribution); Fernandez et al., 2001Fernandez T., J.L., G. Garcés G., E. Portuondo F., P. Valdes T., and I. Exposito E. 2001. Insectos asociados con flores de malezas del Jardín Botánico de Santiago de Cuba, con énfasis en Hymenoptera. Revista de Biología Tropical (International Journal of Tropical Biology and Conservation) 49 (3-4):1013-1026. (distribution); Fernández Triana et al., 2002Fernández Triana, J.L., H. Saríol, M.A. Vega Castillo, S. Ricardo & M. González 2002. Datos preliminares sobre la biodiversidad del orden Hymenoptera en la provincia Granma, Cuba. Boletín de la Sociedad Entomológica Aragonesa 31:43-48. (distribution); Rodríguez Velázquez & Mestre Novoa, 2002Rodríguez Velázquez, D. & Mestre Novoa, N. 2002. Lista de los Collembola e Insecta (Coleoptera, Dermaptera, Dictyoptera, Mantodea, Diptera e Hymenoptrera) de la Sierra de los Organos, Pinar del Río (Arthropoda: Hexapoda). Cocuyo 12:6-10. (distribution); Portuondo Ferrer & Fernández Triana, 2004Portuondo Ferrer, E. & J.L. Fernández Triana 2004. Biodiversidad del orden Hymenoptera en los macizos montañosos de Cuba oriental. Boletín de la Sociedad Entomológica Aragonesa 35:121-136. (distribution); Fong et al., 2005 2005. Cuba: Parque Nacional 'Alejandro de Humboldt'. Rapid Biological Inventories Report 14. The Field Museum, Chicago. 1-368. (distribution); Rivero, 2006Rivero, A. 2006. Estudios de diversidad de insectos en la región Jibacoa-Hanabanilla. Macizo Guamuhaya. Centro Agrícola año 33 (no. 2. abr.-jun.):49-56. (distribution); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530.:238 ( listed as synonym of Pepsis ruficornis (Fabricius, 1775)); Frago et al., 2010Frago, E., Portuondo Ferrer, E., Fernández Triana, J.L., Sariego, O. & Garcés Fonseca, J. 2010. Entomofauna del Parque Nacional 'Desembarco del Granma', Cuba Suboriental. Boletín de la Sociedad Entomológica Aragonesa 46:355-362. (distribution); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:19 ( listed as synonym of Pepsis ruficornis (Fabricius, 1775)); Rivero Aragón et al., 2013Rivero, A., Grillo, H., Regera, S. & Aborrezco, P. 2013. Lista de insectos conocidos, de los cayos Majá Español de Adentro, Cayería Norte de Villa Clara. Centro Agrícola 2:71-75. (distribution). - As Pepsis saphyrus: - Elliott, 1992Elliott, N.B. 1992. Wasps of the Bahamas (Hymenoptera: Scoliidae, Tiphiidae, Pompilidae, Vespidae, Sphecidae). Proceedings of the fourth Symposium on the Natural History of the Bahamas :41-48. (distribution). - As Pepsis sapphiria: - 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); Bodkin, 1918Bodkin, G.E. 1918. Notes on some British Guiana Hymenoptera (exclusive of the Formicidae). The Transactions of the Entomological Society of London 1917:297-321, pls. XXI-XXIII. (distribution). - As Pepsis sapphirus: - Smith, 1855Smith, F. 1855. Catalogue of Hymenopterous Insects in the collection of the British Museum. Part III, Mutillidae and Pompilidae. :203 pp, 5 pl.:198 (listed); Lucas, 1895Lucas, R. 1895. Die Pompiliden-Gattung Pepsis. Berliner Entomologische Zeitschrift 39 (4):449-840. (distribution); Lucas, 1919Lucas, R. 1919. Pompiliden-Studien. I. Arch. Naturgesch., A. 83 (5):1-180+3 pls. (distribution).
Pepsis violacea Mocsáry, 1885:255, ♂. ♂, America meridionalis (Andréi), Lectotype ♂, examined (Musée d’Histoire Naturelle, Neuchatel, Switzerland), 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.:232. Synonymized with Pepsis ruficornis (Fabricius, 1775) 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.:232. - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:264 (listed); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:19 ( listed as synonym of Pepsis ruficornis (Fabricius, 1775)).
Pepsis hexamita Lucas, 1895:609, ♀. ♀, St. Croix (Mus. Berol.), 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.:232. Synonymized with Pepsis ruficornis (Fabricius, 1775) 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.:232. - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 255 (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); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:19 ( listed as synonym of Pepsis ruficornis (Fabricius, 1775)).
Pepsis omniviolacea Haupt, 1952:390 (key), ♀. ♀, Columbia (?) (Zoologische Institut Halle); ♀, Columbia (?) (Zoologische Institut Halle); 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.:232, Holotype ♀, examined (Martin-Luther Universität, Halle). Synonymized with Pepsis ruficornis (Fabricius, 1775) 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.:232. - Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:19 ( listed as synonym of Pepsis ruficornis (Fabricius, 1775)).