| Agelaia Lepeletier, 1836 |
| Agelaia angulata (Fabricius, 1804) |
| Agelaia areata (Say, 1837) |
| Agelaia cajennensis (Fabricius, 1798) |
| Agelaia centralis (Cameron, 1907) |
| Agelaia myrmecophila (Ducke, 1905) |
| Agelaia panamaensis (Cameron, 1906) |
| Agelaia xanthopus (de Saussure, 1854) |
| Agelaia xanthopus subsp. xanthopus (de Saussure, 1854) |
| Agelaia yepocapa (Richards, 1978) |
| Alastor Lepeletier, 1841 |
| Alastor mexicanus de Saussure, 1870 |
| Alastoroides de Saussure, 1856 |
| Alastoroides slevini Bohart, 1948 |
| Allovespula Blüthgen, 1943 |
| Alpha de Saussure, 1855 |
| Ancistroceroides de Saussure, 1855 |
| Ancistroceroides cordovae Carpenter, 2004 |
| Ancistroceroides evansi Carpenter, 2004 |
| Ancistrocerus Wesmael, 1836 |