Priocnemioides aratus Townes, 1957:51, ♂♀. Paratypes 15 ♂♂, 19 ♀♀; Type ♀, Douglas, Ariz., Oct. 5, 1927 (Berkeley, leg. W. W. Jones). - Krombein, 1958Krombein, K.V. 1958. Family Pompilidae. In: Krombein, K.V. (Ed.). Hymenoptera of America North of Mexico - Synoptic Catalog. Washington: U.S. Department of Agriculture. Agriculture Monograph No. 2. First Supplement, 305 pp. 170-186. (distribution); Kurczewski, 1975Kurczewski, F.E. 1975. Host records for some species of Pompilidae from the Southwestern United States and Mexico (Hymenoptera). The Pan Pacific Entomologist 51:147-151. (distribution), 147 (prey). - As Entypus aratus: - 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), 1528 (comb. nov.); Evans, 1993Evans, H.E. 1993. New records of Pompilidae from the Southern Rocky Mountain States. Sphecos 24:15. (distribution); Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution); Kurczewski et al., 2020Kurczewski, F.E., R.C. West, C. Waichert, K.C. Kissane, D. Ubick & J.P. Pitts 2020. New and unusual host records for North American and South American spider wasps (Hymenoptera: Pompilidae). Zootaxa 4891 (1):1-112. (distribution), 26 (prey); 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); Kurczewski et al., 2022Kurczewski, F.E., R.C. West, C. Waichert & J.P. Pitts 2022. Additional new and unusual host records for Western Hemisphere spider wasps (Hymenoptera: Pompilidae). Insecta Mundi 0928:1-32. (distribution, hosts).