Andrena osmioides Cockerell, 1916:45, ♂. Type ♂, Claremont, California (leg. Baker); LaBerge, 1986LaBerge, W.E. 1986. A revision of the bees of the genus Andrena of the Western Hemisphere. Part XII. Subgenera Leucandrena, Ptilandrena, Scoliandrena and Melandrena. Transactions of the American Entomological Society 112 (3):191-248.:232, Holotype ♂ (CAS). - Cockerell, 1941Cockerell, T.D.A. 1941. Observations on plants and insects in northwestern Baja California, Mexico, with descriptions of new bees. Trans. San Diego Soc. Nat. Hist. 9 (31):337-352. (distribution); LaBerge, 1986LaBerge, W.E. 1986. A revision of the bees of the genus Andrena of the Western Hemisphere. Part XII. Subgenera Leucandrena, Ptilandrena, Scoliandrena and Melandrena. Transactions of the American Entomological Society 112 (3):191-248. (distribution).
Andrena osmioides benitonis Lanham, 1949:147, LaBerge, 1986LaBerge, W.E. 1986. A revision of the bees of the genus Andrena of the Western Hemisphere. Part XII. Subgenera Leucandrena, Ptilandrena, Scoliandrena and Melandrena. Transactions of the American Entomological Society 112 (3):191-248.:232, Holotype ♀ (CAS). Synonymized with Andrena osmioides Cockerell, 1916 by LaBerge, 1986LaBerge, W.E. 1986. A revision of the bees of the genus Andrena of the Western Hemisphere. Part XII. Subgenera Leucandrena, Ptilandrena, Scoliandrena and Melandrena. Transactions of the American Entomological Society 112 (3):191-248.:230.