Aulocostethus pulcherrimus Evans, 1955:150, ♀. Holotype ♀, Everglades National Park, Dade Co., Florida, December 30, 1953 (U.S. National Museum, no. 6270, leg. H.V. Weems, Jr.); Evans, 1961Evans, H.E. 1961. A reconsideration of the genus Epipompilus (Hymenoptera: Pompilidae). Psyche 68:25-37.:29, Type ♀ (U. S. Nat. Mus.). - Waichert et al., 2012Waichert, C., Rodriguez, J. & J.P. Pitts 2012. Spider wasps (Hymenoptera: Pompilidae) of the Dominican Republic. Zootaxa 3353:1-47.:6 (listed). - As Epipompilus pulcherrimus: - Evans, 1961Evans, H.E. 1961. A reconsideration of the genus Epipompilus (Hymenoptera: Pompilidae). Psyche 68:25-37. (distribution), 29 (comb. nov.); Evans, 1967Evans, H.E. 1967. Studies on Neotropical Pompilidae III. Additional notes on Epipompilus Kohl. Breviora 273:1-15. (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); Genaro, 1994Genaro, J.A. 1994. Adiciones a la lista de himenopteros cubanos (Megachilidae, Pompilidae). Cocuyo 1:6. (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); 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), 6 (listed); 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).