| Baryceros lascivus (Cresson, 1874) |
| Baryceros longipes (Cameron, 1885) |
| Baryceros mirabilis (Cresson, 1874) |
| Baryceros mirandus (Cresson, 1874) |
| Baryceros texanus (Ashmead, 1890) |
| Baryceros zapotecus (Cresson, 1874) |
| Barydotira Förster, 1868 |
| Barylypa Förster, 1869 |
| Barylypa maga (Cresson, 1874) |
| Barylypa scelerosa (Cresson, 1874) |
| Barylypa simulata Dasch, 1984 |
| Bathycetes Förster, 1869 |
| Bathycrisis Cameron, 1905 |
| Bathymetis Förster, 1869 |
| Bathythrix Förster, 1869 |
| Bathythrix latifrons (Cushman, 1939) |
| Bathyzonus Townes, 1970 |
| Bathyzonus ruficauda Townes, 1970 |
| Belargea Cameron, 1903 |
| Bicristella Townes & Townes, 1966 |