| Metapolybia Ducke, 1905 |
| Metapolybia azteca Araujo, 1945 |
| Metapolybia aztecoides Richards, 1978 |
| Metapolybia mesoamerica Smethurst & Carpenter, 1998 |
| Metazethoides Schulz, 1906 |
| Microdynerus Thomson, 1874 |
| Microdynerus bolingeri Parker, 1970 |
| Microdynerus hurdi Parker, 1970 |
| Micropterocheilus Bohart, 1940 |
| Micropterocheilus asperatus Bohart, 1999 |
| Micropterocheilus rufimus Bohart, 1999 |
| Minixi Giordani-Soika, 1978 |
| Minixi mexicanum (de Saussure, 1857) |
| Mischocyttarini Carpenter, 1993 |
| Mischocyttarus de Saussure, 1853 |
| Mischocyttarus (Haplometrobius) Richards, 1978 |
| Mischocyttarus (Haplometrobius) cleomenes Richards, 1945 |
| Mischocyttarus (Kappa) de Saussure, 1854 |
| Mischocyttarus (Kappa) atramentarius Zikán, 1949 |
| Mischocyttarus (Kappa) atrocyaneus Zikán, 1949 |