Pepsis castanea Palisot de Beauvois, 1809:95 - 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), 147 (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. (distribution), 248 (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.:286 (listed [The venation and colour given in Palisot de Beauvois’ illustration exclude this species from Pepsis; it may belong to the genus Entypus (teste M.C. Day).]). - As Cryptochilus castaneus: - Schulz, 1906Schulz, W.A. 1906. Spolia Hymenopterologica. Junfermannsche Buchhandlung, Paderborn. 355 pp. (distribution), 167 (comb. nov.). - As Entypus castanea: - 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.:286 (listed); Perez-Gelabert, 2008Perez-Gelabert, D.E. 2008. Arthropods of Hispaniola (Dominican Republic and Haiti): A checklist and bibliography. Zootaxa 1831:1-530. (distribution).