Pompilus interstitialis Cameron, 1893:195,Panama, Volcan de Chiriqui 2000 to 3000 feet (leg. Champion); 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.:340, Type ♀ (BMNH, no. 19,691). Synonymized with Anoplius simulans (Cresson, 1869) 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.:340. - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:195 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 296 (listed).
Anoplius similaris Banks, 1919:82, ♀. ♀, Ithaca, N.Y., 14, 25 July (leg. Bradley); Evans, 1951Evans, H.E. 1951. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilinae (Hymenoptera: Pompilidae). Part III. Transactions of the American Entomological Society 77:203-340.:274, Type ♀ (C.U., no. 678). - 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.:53 (listed). - As Anoplochares similaris: - As Arachnospila similaris: - 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). - As Pompilus similaris: - Evans, 1951Evans, H.E. 1951. A taxonomic study of the Nearctic spider wasps belonging to the tribe Pompilinae (Hymenoptera: Pompilidae). Part III. Transactions of the American Entomological Society 77:203-340. (distribution), 275 (biology); 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).