Pompilus leona Cameron, 1893:198, ♂.Mexico, Xucumanatlan in Guerrero 7000 feet (leg. H.H. Smith); 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.:305, Type ♀ (BMNH, no. 19,684). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:198 (listed). - As Anoplius leona: - 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), 305 (comb. nov.); 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); Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution); 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 Pompilus leonus: - Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 298 (listed).
Anoplius grandiflexionis Evans, 1950:84, ♂♀. Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 2. Genus Anoplius Dufour. Transactions of the American Entomological Society 76:207-361.:284, Type ♂ (U.S.N.M., no. 59,474); Allotype ♀, Texas: Jeff Davis Co., Fort Davis, 5000 feet, 26 July 1946 (will be deposited in the United States National Museum, leg. H.E. Evans); Holotype ♂, Texas: Jeff Davis Co., Fort Davis, 5000 feet, 26 July 1946 (will be deposited in the United States National Museum, leg. H.E. Evans); 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.:305, Type ♂ (USNM, no. 59,474). Synonymized with Anoplius leona (Cameron, 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.:305. - Evans, 1950Evans, H.E. 1950. New species of Pompilinus (Hymenoptera: Pompilidae). Journal of the Kansas Entomological Society 23 (3):84-89. (distribution); Evans, 1950Evans, H.E. 1950. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilini (Hymenoptera: Pompilidae). Part 2. Genus Anoplius Dufour. Transactions of the American Entomological Society 76:207-361. (distribution), 286 (biology); Evans, 1956Evans, H.E. 1956. The subgenus Pompilinus in Mexico (Hymenoptera: Pompilidae). The Entomological Society of America, Annals 49:173-177. (distribution); Junco y Reyes, 1959Junco y Reyes, J.J. 1959. Himenópteros de Espana. Fam. Pompilidae (=Psammocharidae) Gen. Anopilus Duf. EOS Revista Española de Entomologia 35:41-95.:51 (listed); 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.:1558 ( listed as synonym of Anoplius leona (Cameron, 1893)).