| Osmia (Chalcosmia) Schmiedekneecht, 1885 |
| Osmia (Chalcosmia) coloradensis Cresson, 1878 |
| Osmia (Chalcosmia) georgica Cresson, 1878 |
| Osmia (Chalcosmia) texana Cresson, 1872 |
| Osmia (Chenosmia) Sinha, 1958 |
| Osmia (Chenosmia) gaudiosa Cockerell, 1907 |
| Osmia (Chenosmia) laeta Sandhouse, 1924 |
| Osmia (Diceratosmia) Robertson, 1903 |
| Osmia (Diceratosmia) aliciae Ayala & Griswold, 2005 |
| Osmia (Diceratosmia) azteca Cresson, 1878 |
| Osmia (Diceratosmia) subfasciata Cresson, 1872 |
| Osmia (Diceratosmia) subfasciata subsp. subfasciata Cresson, 1872 |
| Osmia (Nothosmia) Ashmead, 1899 |
| Osmia (Nothosmia) pumila Cresson, 1864 |
| Osmia (Nothosmia) titusi Cockerell, 1905 |
| Osmia (Osmia) Panzer, 1806 |
| Osmia (Osmia) ribifloris Cockerell, 1900 |
| Osmia (Osmia) ribifloris subsp. biedermannii Michener, 1936 |
| Osmia (Osmia) ribifloris subsp. ribifloris Cockerell, 1900 |
| Osmiini Newman, 1834 |