Pompilus solonus silvivagus Evans, 1951:241, ♂♀. Allotype ♀, Sandoval Co., N. M., Jemez Springs, 24 July 1916 (ANSP, leg. John Woodgate); Holotype ♂, New Mexico: Otero Co., Cloudcroft, 9000 feet, 26 July 1948 (ANSP, leg. H.E. Evans). - 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); Evans, 1953Evans, H.E. 1953. The Mexican species of the genus Pompilus (Hymenoptera: Pompilidae). Annals of the Entomological Society of America 46:529-543. (distribution); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:74 (listed). - As Ammosphex silvivagus: - 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), 57 (prey). - As Arachnospila silvivaga: - Evans, 1997Evans, H.E. 1997. Spider wasps of Colorado (Hymenoptera, Pompilidae): An annotated checklist. The Great Basin Naturalist 57 (3):189-197. (distribution). - As Pompilus silvivagus: - 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); Wasbauer & Kimsey, 1985Wasbauer M.S. & L.S. Kimsey 1985. California spider wasps of the subfamily Pompilinae (Hymenoptera: Pompilidae). Bul. Calif. Ins. Surv. 26:1-130.:74 (listed).