| Biosteres oaxanensis (Fischer, 1964) |
| Biosteres oophilus (Fullaway, 1951) |
| Blacinae Sharkey, 1998 |
| Blacini |
| Blacus Nees, 1818 |
| Blacus (Blacus) Nees, 1818 |
| Blacus (Blacus) crassicrus van Achterberg, 1976 |
| Blacus (Blacus) humilis Nees, 1812 |
| Blacus (Ganychorus) Haliday, 1835 |
| Blacus (Ganychorus) collaris Cresson, 1873 |
| Blacus (Ganychorus) cracentris van Achterberg, 1976 |
| Blacus (Ganychorus) thoracicus Ashmead, 1896 |
| Blacus (Hysterobolus) Viereck, 1913 |
| Blacus (Hysterobolus) trapezoides van Achterberg, 1976 |
| Blacus (Leioblacus) van Achterberg, 1976 |
| Blacus (Leioblacus) aulacis van Achterberg, 1976 |
| Blacus (Tarpheion) van Achterberg, 1976 |
| Blacus (Tarpheion) chillcotti van Achterberg, 1976 |
| Blacus dentatus Hellén, 1958 |
| Blacus ruficornis (Nees, 1812) |