Lophopompilus fraternus Banks, 1941:120, ♀. 1 ♀, Salt Plains, Cherokee, Okla., 14 June (leg. Brues); Holotype ♀, Salt Plains, Cherokee, Okla., 14 June (M. C. Z., no 25264, leg. Brues); 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.:322, Type ♀ (M.C.Z., no. 25,264); 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.:323, Type ♀ (MCZ, no. 25,264). - 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). - As Anoplius fraternus: - 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), 322 (comb. nov.), 324 (biology); Evans, 1956Evans, H.E. 1956. The subgenus Pompilinus in Mexico (Hymenoptera: Pompilidae). The Entomological Society of America, Annals 49:173-177. (distribution); Evans, 1959Evans, H.E. 1959. The larvae of Pompilidae (Hymenoptera). Ann. Ent. Soc. America 52:430-449. (distribution), 440 (description larvae); 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); 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); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (distribution); Ruíz-Cancino et al., 2005Ruíz-Cancino, E., J.M. Coronado-Blanco & J.V. Horta Vega 2005. Conocimiento actual de las avispas depredadoras (Hymenoptera) en Tamaulipas, México. In: Lozano, L. B., A.C. Sandoval, J.V.H. Vega & J.G. Jiménez (Ed.). Biodiversidad tamaulipeca: vol. 1. 164-170. (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., 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).
Pompilinus dowi Dreisbach, 1949:12, ♂. Holotype ♂, Coconut Grove, Florida (MCZ); 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.:322, Type ♂ (M.C.Z.); 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.:323, Type ♂ (MCZ, no. 29,322). Synonymized with Anoplius fraternus (Banks, 1941) by 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.:322. - Dreisbach, 1949Dreisbach, R.R. 1949. Psammocharini (Hymenoptera) of the north america and the antilles: key to genera; new species and key to males of Pompilinus. Entomologica Americana (n. s.) 29 (1-2):1-58.:30 (key male); 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.:50 ( listed as synonym of Anoplius fraternus (Banks, 1941)); 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.:323 ( listed as synonym of Anoplius fraternus (Banks, 1941)); 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.:1557 ( listed as synonym of Anoplius fraternus (Banks, 1941)).