Anoplius hispidulus Dreisbach, 1950:577, ♂. 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.:344, Type ♂; Holotype ♂, Algonquin, Ill., VIII-10-95 (INHS, No. 137). - 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), 346 (biology); Dreisbach, 1950Dreisbach, R.R. 1950. New species in the genera Anoplius, Pycnopompilus and Streptosella, n. gen. with keys and microphoto graphs of the genitalia of the males of these genera and Agenioideus for North America and the Antilles. The American Midland Naturalist 43 (3):570-599. (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. (distribution); Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution); Paiero et al., 2010Paiero, S.M., S.A. Marshall, P.D. Pratt & M. Buck 2010. Insects of Ojibway Prairie, a southern Ontario tallgrass prairie. In: Shorthouse J.D. & Floate, K.D. (Ed.). Arthropods of Canadian Grasslands (Volume 1): Ecology and Interactions in Grassland Habitats. 199-225. (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).