| Acanthobracon Kriechbaumer, 1900 |
| Aclisis Förster, 1862 |
| Acoelius Haliday, 1834 |
| Acrophasmus Enderlein, 1912 |
| Acrophasmus atriventris Cresson, 1874 |
| Acrophasmus ferrugineus Cresson, 1873 |
| Acrophasmus secundus (Muesebeck & Walkley, 1951) |
| Adeliinae Whitfield, 1998 |
| Adelius Haliday, 1833 |
| Adelius subfasciatus Haliday, 1833 |
| Adialytus Förster, 1863 |
| Adialytus (Adialytus) Förster, 1863 |
| Adialytus (Adialytus) maidaphidis Garman, 1885 |
| Adiathlipsis Enderlein, 1920 |
| Agathidinae Sharkey, 1998 |
| Agathidini Nees, 1814 |
| Agathirsia Westwood, 1882 |
| Agathirsia castanea (Westwood, 1882) |
| Agathirsia cressoni Muesebeck & Walkley, 1951 |
| Agathirsia fulvescens (Cresson, 1887) |