Psorthaspis macronotum cressoni Bradley, 1944:59, Allotype ♂, Bosque Co., Texas (Acad. Nat. Sci. Phila; U. S. Nat. Mus., leg. Belfrage); Holotype ♀, Bosque Co., Texas (Acad. Nat. Sci. Phila; U. S. Nat. Mus., leg. Belfrage); 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.:94, Type ♀ (ANSP). - Evans, 1954Evans, H.E. 1954. The genus Psorthaspis on the Mexican Central Plateau (Hymenoptera, Pompilidae). American Museum Novitates 1662:1-18. (distribution); 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. (distribution); 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); 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); Fernández et al., 2022Fernández, F., J. Rodriguez, C. Waichert, B. Decker & J. Pitts 2022. Twenty two years later: An updated checklist of Neotropical spider wasps (Hymenoptera: Pompilidae). Zootaxa 5116 (4):451-503. (distribution). - As Psorthaspis cressoni: - Bradley, 1944Bradley, J.C. 1944. A preliminary revision of the Pompilinae (exclusive of the tribe Pompilini) of the Americas (Hymenoptera: Pompilidae). Transactions of the American Entomological Society 70:23-157.:37 (key female), 41 (key male).
Psorthaspis nahuatlensis Bradley, 1944:46, ♂. Holotype ♂, Mexico (U. S. Nat. Mus.); Paratypes 2 ♂♂, Mexico (Acad. Nat. Sci. Phila; U. S. Nat. Mus.); 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.:94, Type ♂ (USNM, no. 57,926). Synonymized with Psorthaspis macronotum cressoni Bradley, 1944 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.:94. - Bradley, 1944Bradley, J.C. 1944. A preliminary revision of the Pompilinae (exclusive of the tribe Pompilini) of the Americas (Hymenoptera: Pompilidae). Transactions of the American Entomological Society 70:23-157.:41 (key male); 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.:1545 ( listed as synonym of Psorthaspis macronotum cressoni Bradley, 1944); 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); Fernández et al., 2022Fernández, F., J. Rodriguez, C. Waichert, B. Decker & J. Pitts 2022. Twenty two years later: An updated checklist of Neotropical spider wasps (Hymenoptera: Pompilidae). Zootaxa 5116 (4):451-503. (distribution). - As Psorthaspis macronotum nahuatlensis: - 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).
Psorthaspis levis Bradley, 1944:43, ♂. Holotype ♂, San Diego, Duval Co., Texas, April 30 (U. S. Nat. Mus.); Paratype ♂, San Diego, Duval Co., Texas, May 1 (Acad. Nat. Sci. Phila.); 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.:94, Type ♂ (USNM, no. 57,924). Synonymized with Psorthaspis macronotum cressoni Bradley, 1944 by Evans, 1954Evans, H.E. 1954. The genus Psorthaspis on the Mexican Central Plateau (Hymenoptera, Pompilidae). American Museum Novitates 1662:1-18.:11. - Bradley, 1944Bradley, J.C. 1944. A preliminary revision of the Pompilinae (exclusive of the tribe Pompilini) of the Americas (Hymenoptera: Pompilidae). Transactions of the American Entomological Society 70:23-157.:41 (key male); 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.:94 ( listed as synonym of Psorthaspis macronotum cressoni Bradley, 1944); 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.:1544 ( listed as synonym of Psorthaspis macronotum cressoni Bradley, 1944).