| Moneilema subrugosum Bland, 1862 |
| Moneilema variolare Thomson, 1867 |
| Moneilema wickhami Psota, 1930 |
| Moneilemini Thomson, 1864 |
| Monnechroma Napp & Martins, 2005 |
| Monnechroma azurea (Demets, 1976) |
| Monochamini Gistel, 1848 |
| Monochamus Dejean, 1821 |
| Monochamus clamator Dillon & Dillon, 1941 |
| Monochamus clamator subsp. rubigineus Bates, 1880 |
| Monochamus mexicanus (Breuning, 1950 |
| Monochamus sargi (Bates, 1885) |
| Mordellistenomimus Chemsak & Linsley, 1976 |
| Mordellistenomimus nanus (Bates, 1885) |
| Morrisia Santos-Silva, Nascimento & Wappes, 2019 |
| Morrisia pulchra Santos-Silva, Nascimento & Wappes, 2019 |
| Morrisia squamosa (Chemsak & Noguera, 1995) |
| Muscidora Thomson, 1864 |
| Muscidora alutacea (Bates, 1885) |
| Muscidora bezarki Eya, 2019 |