| Acanthagenia Haupt, 1959 |
| Actenopoda Ashmead, 1902 |
| Adirostes Banks, 1946 |
| Adonta Billberg, 1820 |
| Afropompilus Arnold, 1936 |
| Agenia Schiødte, 1837 |
| Agenia acceptus Cresson, 1867 |
| Agenia accolens Cresson, 1869 |
| Agenia atrata Provancher, 1887 |
| Agenia azureus Cresson, 1867 |
| Agenia caerulescens Dahlbom, 1843 |
| Agenia mexicanus Cresson, 1867 |
| Agenia nubifer Cresson, 1869 |
| Agenia pulchripennis Cresson, 1867 |
| Agenia subcorticalis Walsh, 1869 |
| Ageniella Banks, 1912 |
| Ageniella (Ageniella) Banks, 1912 |
| Ageniella (Ageniella) accepta (Cresson, 1867) |
| Ageniella (Ageniella) evansi Townes, 1957 |
| Ageniella (Ageniella) neglecta Banks, 1944 |