| Belvosia ochriventris (Wulp, 1890) |
| Belvosia orion Brimley, 1928 |
| Belvosia recticornis (Macquart, 1855) |
| Belvosia semiflava Aldrich, 1928 |
| Belvosia spinicoxa Aldrich, 1928 |
| Belvosia weynberghiana Wulp, 1883 |
| Belvosiini Townsend, 1913 |
| Belvosiomima Townsend, 1915 |
| Belvosiopsis Townsend, 1927 |
| Billaea Robineau-Desvoidy, 1830 |
| Blepharipeza Macquart, 1843 |
| Blondelia Robineau-Desvoidy, 1830 |
| Blondelia polita (Townsend, 1919) |
| Blondelia sodalis (Wulp, 1890) |
| Blondelia tantilla (Wulp, 1890) |
| Blondeliini Robineau-Desvoidy, 1863 |
| Bolomyia Brauer & Bergenstamm, 1891 |
| Bombyliojeania Townsend, 1913 |
| Bombyliomyia Brauer & Bergenstamm, 1889 |
| Bombyliomyia soror (Williston, 1886) |