Pompilus femoratus Fabricius, 1804:190,America meridionali (Mus. Dom. Lund, leg. Smidt), Lectotype ♀, South America 'America Meridionali', examined (UZM, Copenhagen), designated by Day, 1979Day, M.C. 1979. Nomenclatural studies on the British Pompilida (Hymenoptera). Bull. Br. Mus. Nat. Hist. (Ent.) 38:1-26.:9. - Spinola, 1841Spinola, M. 1841. Hymenopteres recueillis a Cayenne en 1839 par M. Leprieur, pharmacien de la Marine Royale. Annales de la Société Entomologique de France 10:85-149. (distribution); Smith, 1855Smith, F. 1855. Catalogue of Hymenopterous Insects in the collection of the British Museum. Part III, Mutillidae and Pompilidae. :203 pp, 5 pl.:153 (listed); Fox, 1897Fox, W.J. 1897. Contributions to a knowledge of the Hymenoptera of Brazil, No. 2. - Pompilidae. Proceedings of the Academy of Natural Sciences of Philadelphia 49:229-283.:236 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:202 (listed); Pate, 1946Pate, V.S.L. 1946. The generic names of the spider wasps (Psammocharidae olim Pompiloidae) and their type species. Transactions of the American Entomological Society 72:65-137.:76 (listed); Banks, 1946Banks, N. 1946. Studies of South American Psammocharidae. Part 1. Bulletin of the Museum of Comparative Zoology at Harvard College 96:311-525.:409 (listed). - As Agenia femorata: - 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.:455 (listed); Fox, 1897Fox, W.J. 1897. Contributions to a knowledge of the Hymenoptera of Brazil, No. 2. - Pompilidae. Proceedings of the Academy of Natural Sciences of Philadelphia 49:229-283. (distribution), 236 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:202 (listed). - As Auplopus femoratus: - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:202 (listed); Dreisbach, 1963Dreisbach, R.R. 1963. New species of spider wasp, genus Auplopus from the Americas South of the United States (Hymenoptera: Psammocharidae). Proceedings of the United States National Museum 114:137-211. (distribution), 187 (key female), 192 (key male); Braet et al., 2000Braet, Y., J.A. Cerda & J. Fretey 2000. Note sur quelques insectes récoltés au piège Malaise en Guyane française. Notes faunique de Gembloux 38:3-20. (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 Pseudagenia femorata: - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749.:202 (listed); Schulz, 1906Schulz, W.A. 1906. Spolia Hymenopterologica. Junfermannsche Buchhandlung, Paderborn. 355 pp.:165 (listed); Banks, 1944Banks, N. 1944. The Psammocharidae (Hymenoptera) taken at Kartabo and other localities in British Guiana. Zoologica 29:97-112. (distribution), 109 (listed); 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), 406 (key female), 408 (key male), 409 (listed).