Pompilus connexus Cresson, 1869:369, ♂. Holotype ♂, Orizaba (Am. Ent. Soc., leg. Prof. F. Sumichrast); 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.:115, Type ♂ (ANSP, no. 560); Rodríguez et al., 2010Rodríguez, J., C.D. von Dohlen & J.P. Pitts 2010. The genus Psorthaspis (Hymenoptera: Pompilidae) in Colombia. Zoología-Sistemática 32 (2):435-441.:438, Holotype ♂ (ANSP, no. 560). - Cameron, 1888-1900Cameron, P. 1888-1900. Biologia Centrali-Americana - Insecta. Hymenoptera. (Fossores) Vol. II. R. H. Porter and Dulau & Co., London. 413pp, 14 pl.:201 (listed); Cameron, 1893Cameron, P. 1893. Biologia Centrali-Americana. Insecta. Hymenoptera. (Fossores) Vol. II. :177-257. (distribution), 201 (listed); Dalla Torre, 1897Dalla Torre, C.G. 1897. Catalogus hymenopterorum hucusque descriptorum systematicus et synonymicus. Volumen VIII: Fossores (Sphegidae). Breitkopf & Härtel, Leipzig. 1-749. (distribution), 282 (listed); Schulz, 1906Schulz, W.A. 1906. Spolia Hymenopterologica. Junfermannsche Buchhandlung, Paderborn. 355 pp. (distribution), 170 (listed); Bradley, 1944Bradley, J.C. 1944. The generic position of certain Mexican Pompilidae (Hymenoptera), with description of a new genus. Notulae Naturae, The Academy of Natural Sciences of Philadelphia 145:1-12.:11 (listed); Pate, 1946Pate, V.S.L. 1946. The generic names of the spider wasps (Psammocharidae olim Pompiloidae) and their type species. Transactions of the American Entomological Society 72:65-137.:83 (listed). - As Psorthaspis connexa connexa: - 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), 115 (comb. nov.); 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 bioculata Bradley, 1944:70, ♀. Holotype ♀, Costa Rica (U. S. Nat. Mus.); Paratype 1 ♀, Rosario Mine, Honduras, April 5 (Mus. Comp. Zool., leg. Marston Bates); 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.:115, Type ♀ (USNM, no. 57,930); Rodríguez et al., 2010Rodríguez, J., C.D. von Dohlen & J.P. Pitts 2010. The genus Psorthaspis (Hymenoptera: Pompilidae) in Colombia. Zoología-Sistemática 32 (2):435-441.:438, Type ♀ (NMNH, no. 57,930). Synonymized with Psorthaspis connexa connexa (Cresson, 1869) 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.:115. - 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.:39 (key female); Rodríguez et al., 2010Rodríguez, J., C.D. von Dohlen & J.P. Pitts 2010. The genus Psorthaspis (Hymenoptera: Pompilidae) in Colombia. Zoología-Sistemática 32 (2):435-441.:438 ( listed as synonym of Psorthaspis connexa (Cresson, 1869)); 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).