| Bibloplectus Reitter, 1881 |
| Bibloplectus caviceps (Raffray, 1898) |
| Biocrypta Casey, 1905 |
| Biocrypta affinis (Sharp, 1885) |
| Biocrypta centralis (Sharp, 1885) |
| Biocrypta grandicollis (Sharp, 1885) |
| Biocrypta mexicana (Sharp, 1885) |
| Biocrypta nigriventris (Sharp, 1885) |
| Biophytosus Moore & Legner, 1977 |
| Biophytosus reticulatus Moore & Legner, 1977 |
| Bisnius Stephens, 1829 |
| Bisnius instabilis (Horn, 1884) |
| Bisnius sordidus (Gravenhorst, 1802) |
| Blediini Ádám, 2001 |
| Bledius Leach, 1819 |
| Bledius actus Herman, 1970 |
| Bledius agonis Casey, 1889 |
| Bledius albidipennis Bernhauer, 1912 |
| Bledius albonotatus Mäklin, 1853 |
| Bledius apicalis Fall, 1910 |