Pompilus Cressoni Dewitz, 1881:203, ♂♀. 5 specimens, Portorico; Banks, 1944Banks, N. 1944. Psammocharidae (spider-wasps): Notes and descriptions. Bulletin of the Museum of Comparative Zoology 94 (4):165-187.:184, Allotype ♂, Mona Island (leg. Ramos). - Dewitz, 1881Dewitz, H. 1881. Hymenopteren von Portorico. Berliner Entomologische Zeitschrift 25:197-208. (distribution); Gundlach, 1887Gundlach, J. 1887. Apuntes para la fauna Puerto-Riqueña. Anales de la Sociedad Española de Historia Natural 16 (1):115-199. (distribution); Fox, 1891Fox, W.J. 1891. On a collection of Hymenoptera made in Jamaica during April, 1891. Transactions of the American Entomological Society 18:337-348. (distribution); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:283 (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); 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); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547.:488 (listed). - As Episyron conterminus cressoni: - 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), 372 (discussion); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47. (distribution), 22 (key female), 23 (key male); 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); 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). - As Episyron cressoni: - Banks, 1944Banks, N. 1944. Psammocharidae (spider-wasps): Notes and descriptions. Bulletin of the Museum of Comparative Zoology 94 (4):165-187. (distribution), 184 (first description male, listed); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547. (distribution), 488 (listed). - As Pompilus cressonii: - Fox, 1891Fox, W.J. 1891. On a collection of Hymenoptera made in Jamaica during April, 1891. Transactions of the American Entomological Society 18:337-348. (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), 283 (listed). - As Psammochares cressoni:
Pompilus exactus Cameron, 1893:202, ♂♀.Mexico, Presidio de Mazatlan (leg. Forrer);Temax in North of Yucatan (leg. Gaumer); Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 1. Transactions of the American Entomological Society 75:133-270.:223, Type ♀ (British Museum); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:196, Type ♀ (BMNH, no. 19,551). Synonymized with Episyron posterus (Fox, 1893) by Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 1. Transactions of the American Entomological Society 75:133-270.:223. - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:202 (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), 287 (listed); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547.:489 (listed); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:196 ( listed as synonym of Episyron conterminus posterus (Fox, 1893)); 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.:1549 ( listed as synonym of Episyron conterminus posterus (Fox, 1893)); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:32 ( listed as synonym of Episyron conterminus posterus (Fox, 1893)); 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.:372 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:30 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)). - As Episyron exactus: - Banks, 1931Banks, N. 1931. Psammocharidae from Yucatan. Bulletin of the Brooklyn Entomological Society 26:131-134. (distribution); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547. (distribution), 489 (listed).
Pompilus posterus Fox, 1893:115, ♂♀.Camden County, N.J., July;So. Florida (leg. Chas. Robertson); Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 1. Transactions of the American Entomological Society 75:133-270.:223, Type ♀ (A.N.S.P., no. 4717); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:196, Type ♀ (ANSP, no, 4717). - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 313 (listed); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547.:490 (listed); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:32 (listed); 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.:372 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:30 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)). - As Episyron conterminus posterus: - Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442. (distribution), 196 (comb. nov.); Gauss, 1978Gauss, R. 1978. Zur Problematik des Artenschutzes von Wirbellosen (Invertebraten), besonders Insekten, durch Faunenlisten und Kartierung sowie deren Auswertung für `Rote Listen gefährdeter Tierarten'. Veröff. Natursch. Landsch.pfl. Bad.-Württ., Beiheft 11:303-312. (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); Elliott et al., 1979Elliott, N., F. Kurczewski, S. Claflin, & P. Salbert 1979. Preliminary annotated list of the wasps of San Salvador Island, The Bahamas, with a new species of Cerceris (Hymenoptera: Tiphiidae, Scoliidae, Vespidae, Pompilidae, Sphecidae). Proceedings of the Entomological Society of Washington 81 (3):352-365. (distribution); Kurczewski, 1981Kurczewski, F.E. 1981. Observations on the nesting behaviors of spider-wasps in southern Florida (Hymenoptera: Pompilidae). The Florida Entomologist 64:424-437. (distribution); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:32 (listed); Kurczewski & Spofford, 1986Kurczewski, F.E. & Spofford, M.G. 1986. Observations on the behaviors of some Scoliidae and Pompilidae (Hymenoptera) in Florida. The Florida Entomologist 69 (4):636-644. (distribution); Genaro & Sánchez A., 1989Genaro, J.A. & C.S. Sánchez A. 1989. First record of the spider wasp genus Episyron in Cuba (Hymenoptera: Pompilidae). Sphecos 18:9. (distribution); Hook et al., 1990Hook, A.W., H.E. Evans & J.E. Gillaspy 1990. Pompilid wasps of Brackridge Field Laboratory and of the Greater Austin Area. Sphecos 20:17-18. (distribution); Snelling, 1992Snelling, R.R. 1992. Guana and Mona Islands. Sphecos 23:12-14. (distribution); 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); Snelling, 1993Snelling, R.R. 1993. Guana Island - 1992. Sphecos 24:17-19. (distribution); Genaro, 1995Genaro, J.A. 1995. Registros nuevos de himenópteros para La Antillas (Sphecidae, Pompilidae). Cocuyo 4:12-13. (distribution); Wahis, 1995Wahis, R. 1995. Nouvelles mentions de Pompilides du Nicaragua (Hymenoptera: Pompilidae). Revista Nicaraguense de Entomologia 33:1-6. (distribution); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution); Horta Vega et al., 2009Horta Vega, J.V., M.E.García Gutiérrez, M.I. Benavides Martínez & A. Correa Sandoval 2009. Pompilidae (Hymenoptera) de algunos municipios del centro y sur de Tamaulipas, México. Acta Zool. Mex. (n.s.) 25 (1):71-82. (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); Vanoye-Eligio et al., 2014Vanoye-Eligio, M., V. Meléndez-Ramírez, R. Ayala, J. Navarro & H. Delfin-González 2014. Predatory Wasps (Hymenoptera) of the Yucatan Peninsula. Southwestern Entomoloigst 39 (3):635-646. (distribution); Vanoye-Eligio et al., 2015Vanoye-Eligio, M., V. Meléndez-Ramírez, R. Ayala, J. Navarro-Alberto & H. Delfín-González 2015. Avispas depredadoras de áreas naturales protegidas del estado de Yucatán, México. Revista Mexicana de Biodiversidad 86:989-997. (distribution); Cambra et al., 2017Cambra, R.A., M.L. Tunes Buschini, D.Q. Arias, F. Brozoski & R.R. Lustosa 2017. Ephuta icema Casal, 1969 and its host Auplopus subaurarius Dreisbach, 1963 (Hymenoptera: Mutillidae, Pompilidae) from Brazil. Zootaxa 4272 (2):285-290. (distribution); Perez-Gelabert, 2020Perez-Gelabert, D.E. 2020. Checklist, bibliography and quantitative data of the arthropods of Hispaniola. Zootaxa 4749:1-668.:307 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)); Vanoye-Eligio et al., 2020Vanoye-Eligio, M., J.V. HortaVega, V. Vanoye-Eligio, M. Rosas-Mejía & L.J. Estrada Ramírez 2020. Review of Occurrence of Vespoidea (Hymenoptera) in the State of Campeche, Mexico. Journal of Entomological Science 55 (3):366-381. (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), 43 (prey); 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). - As Episyron posterus: - Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 1. Transactions of the American Entomological Society 75:133-270. (distribution), 216 (key female), 217 (key male), 225 (biology); Krombein, 1950Krombein, K.V. 1950. An annotated list of wasps from Nags Head and the Kill Devil Hills (Hymenoptera Aculeata). Journal of the Elisha Mitchell Scientific Society 65:262-272. (distribution); Evans, 1959Evans, H.E. 1959. The larvae of Pompilidae (Hymenoptera). Ann. Ent. Soc. America 52:430-449. (distribution), 439 (description larvae); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547.:490 (listed); Kurczewski, 1963Kurczewski, F.E. 1963. Some new pompilid prey records from southern Florida (Hymenoptera: Pompilidae). The Florida Entomologist 46 (2):209-213. (distribution); Kurczewski & Kurczewski, 1968Kurczewski, F.E. & E.J. Kurczewski 1968. Host records for some North American Pompilidae (Hymenoptera). First supplement. Journal of the Kansas Entomological Society 41 (3):367-382. (distribution), 369 (hosts); Kurczewski & Kurczewski, 1968Kurczewski, F.E. & E.J. Kurczewski 1968. Host records for some North American Pompilidae (Hymenoptera) with a discussion of factors in prey selection. Journal of the Kansas Entomological Society 41 (1):1-33. (distribution), 9 (hosts); Kurczewski & Kurczewski, 1973Kurczewski, F.E. & E.J. Kurczewski 1973. Host records for some North American Pompilidae (Hymenoptera). Third supplement. Tribe Pompilini. Journal of the Kansas Entomological Society 46 (1):65-81.:66 (hosts).
Pompilus temaxensis Cameron, 1893:208, ♀. Holotype ♀, Mexico, Temax in North Yucatan (leg. Gaumer); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:196, Type ♂ (BMNH, no. 19,549). Synonymized with Episyron conterminus posterus (Fox, 1893) by Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:196. - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:208 (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), 326 (listed); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:32 ( listed as synonym of Episyron conterminus posterus (Fox, 1893)); 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.:372 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:31 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)).
Pompilus porus Fox, 1894:98, ♂♀. 3 ♂♀, San José del Cabo, October; Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 1. Transactions of the American Entomological Society 75:133-270.:223, Lectotype ♀ (C.A.S., no. 240); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:196, Type ♀ (CAS, no. 240). - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 313 (listed); Cockerell, 1898Cockerell, T.D.A. 1898. Contributions to the entomology of New Mexico. Proc. Davenport Acad. nat. Sci. 7:139-148. (distribution); Bradley, 1944Bradley, J.C. 1944. The generic position of certain Mexican Pompilidae (Hymenoptera), with description of a new genus. Notulae Naturae, The Academy of Natural Sciences of Philadelphia 145:1-12.:11 (listed); Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 1. Transactions of the American Entomological Society 75:133-270.:223 ( listed as synonym of Episyron posterus (Fox, 1893)); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547.:490 (listed); Evans, 1966Evans, H.E. 1966. A revision of the Mexican and central American spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Memoirs of the American Entomological Society :1-442.:196 ( listed as synonym of Episyron conterminus posterus (Fox, 1893)); 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.:1549 ( listed as synonym of Episyron conterminus posterus (Fox, 1893)); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:32 ( listed as synonym of Episyron conterminus posterus (Fox, 1893)); 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.:372 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)); Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:31 ( listed as synonym of Episyron conterminus cressoni (Dewitz, 1881)). - As Episyron porus: - Rohwer, 1915Rohwer, S.A. 1915. Vespoid and sphecoid Hymenoptera collected in Guatemala by W. P. Cockerell. Proceedings of the United States National Museum 47:513-523. (distribution), 516 (listed); Bradley, 1944Bradley, J.C. 1944. The generic position of certain Mexican Pompilidae (Hymenoptera), with description of a new genus. Notulae Naturae, The Academy of Natural Sciences of Philadelphia 145:1-12.:11 (comb. nov.); Junco y Reyes, 1963Junco y Reyes, J.J. 1963. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gens. Episyron Schdt., Batozonellus Arnd., Ctenostegus Hpt., Schistonyx Sauss. y Aporinellus Bks. EOS Revista Española de Entomologia 38:486-547. (distribution), 490 (listed).