| Bombus (Pyrobombus) Dalla Torre, 1880 |
| Bombus (Pyrobombus) ephippiatus Say, 1837 |
| Bombus (Pyrobombus) huntii Greene, 1860 |
| Bombus (Pyrobombus) impatiens Cresson, 1863 |
| Bombus (Pyrobombus) vosnesenskii Radoszkowski, 1862 |
| Bombus (Pyrobombus) wilmattae Cockerell, 1912 |
| Brachynomada Holmberg, 1886 |
| Brachynomada (Melanomada) Cockerell, 1903 |
| Brachynomada (Melanomada) annectans Snelling & Rozen, 1987 |
| Brachynomada (Melanomada) chica Snelling & Rozen, 1987 |
| Brachynomada (Melanomada) margaretae Rozen, 1994 |
| Brachynomada nimia Snelling & Rozen, 1987 |
| Brachynomada sidaefloris (Cockerell, 1898) |
| Brachynomada sidaefloris subsp. sidaefloris (Cockerell, 1898) |
| Brachynomadini Roig-Alsina & Michener, 1993 |
| Centridini Cockerell & Cockerell, 1901 |
| Centris Fabricius, 1804 |
| Centris (Acritocentris) Snelling, 1974 |
| Centris (Acritocentris) agameta Snelling, 1974 |
| Centris (Acritocentris) albiceps Friese, 1899 |