Pompilus serrano Evans, 1966:369, ♂♀. Allotype ♂, California: Helendale, San Bernardino Co., 27 May 1955 (CNC, leg. W.R.M. Mason); Holotype ♀, Mexico: Baja California: Km. 220 S Tijuana, 10 Sept. 1955 (CAS, leg. FXW). - 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.:66 (listed); 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). - As Hesperopompilus serrano: - Wasbauer & Kimsey, 2010Wasbauer M.S. & Kimsey, L.S. 2010. The Pompilidae of the Algodones Dunes, California, with description of new species (Hymenoptera: Pompilidae). The Pompilidae of the Algodones Dunes, California, with description of new species (Hymenoptera: Pompilidae) 86 (1):2-9. (distribution).