Osiris panamensis Cockerell, 1919:177, ♀. Holotype ♀, Taboga Island, Panama, June 10, 1911 (U.S.N.M., No. 20708, leg. A. Busck); Shanks, 1986Shanks, S.S. 1986. A revision of the neotropical bee genus Osiris (Hymenoptera: Anthophoridae). The Wasmann Journal of Biology 44 (1-2):1-56.:41, Holotype ♀ (USNM). - Michener, 1954Michener, C.D. 1954. Bees of Panamá. Bulletin of the American Museum of Natural History 104 (1):1-176. (distribution); Shanks, 1986Shanks, S.S. 1986. A revision of the neotropical bee genus Osiris (Hymenoptera: Anthophoridae). The Wasmann Journal of Biology 44 (1-2):1-56. (distribution); Smith-Pardo, 2003Smith-Pardo, A.H. 2003. A preliminary account of the bees of Colombia (Hymenoptera: Apoidea): present knowledge and future directions. Journal of the Kansas Entomological Society 76 (2):335-341. (distribution); Ngo et al., 2013Ngo, H.T., J. Gibbs, T. Griswold & L. Packer 2013. Evaluating bee (Hymenoptera: Apoidea) diversity using Malaise traps in coffee landscapes of Costa Rica. The Canadian Entomologist 145:435-453. (distribution).
Osiris aculeata Friese, 1925:33, ♀.San José, 20. Oktober 1922 (leg. Schmidt). Synonymized with Osiris panamensis Cockerell, 1919 by Shanks, 1986Shanks, S.S. 1986. A revision of the neotropical bee genus Osiris (Hymenoptera: Anthophoridae). The Wasmann Journal of Biology 44 (1-2):1-56.:42.