Prosopis asininus Cockerell & Casad, 1895:299, ♂. Type ♂, Las Cruces, New Mexico, on campus of Agricultural College, September, 1894 (Am. Ent. Soc., leg. Ckll.). - Metz, 1911Metz, C.W. 1911. A revision of the genus Prosopis in North America. Transactions of the American Entomological Society 37:85-156. (distribution). - As Hylaeus asininus: - Meade-Waldo, 1923Meade-Waldo, G. 1923. Hymenoptera, fam. Apidae, subfam. Prosopidinae. Genera Insectorum 181:1-45. (distribution); Cockerell, 1924Cockerell, T.D.A. 1924. Expedition of the California Academy of Sciences to the Gulf of California in 1921. The bees (II). Proceedings of the California Academy of Sciences 12 (27):529-560. (distribution); Cockerell, 1925Cockerell, T.D.A. 1925. Bees in the collection of California Academy of Sciences. Proceedings of the California Academy of Sciences 14 (11):185-215. (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); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution). - As Prosopis asinina: - Cockerell, 1904Cockerell, T.D.A. 1904. Descriptions and records of bees. Annals and Magazine of Natural History ser. 7 (14):21-30. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution).
Prosopis bipes Cockerell & Casad, 1895:300, ♀. 2 ♀♀, Las Cruces, New Mexico, on campus of Agricultural College, September, 1894 (leg. Ckll.). - Metz, 1911Metz, C.W. 1911. A revision of the genus Prosopis in North America. Transactions of the American Entomological Society 37:85-156.:137 ( listed as synonym of Prosopis asininus Cockerell & Casad, 1895); 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.:1763 ( listed as synonym of Hylaeus asininus (Cockerell & Casad, 1895)).
Prosapis asinina bigeloviae Cockerell, 1898:72 - 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.:1763 ( listed as synonym of Hylaeus asininus (Cockerell & Casad, 1895)).