- Monocris griseolus V.G. Putshkov, 1974
- Monocris longicornis Linnavuori, 1988
- Monosteira alticarinata Ghauri, 1965
- Monosteira discoidalis (Jakovlev, 1883)
- Monosteira inermis Horváth, 1899
- Monosteira lobulifera Reuter, 1888
- Monosteira minutula Montandon, 1897
- Monosteira remanei Péricart, 1981
- Monosteira tuberculata Péricart, 1981
- Monosteira unicostata (Mulsant & Rey, 1852)
- Monosynamma bohemanni (Fallén, 1829)
- Monosynamma maritimum (Wagner, 1947)
- Monosynamma sabulicola (Wagner, 1947)
- Montandoniella Puton, 1888
- Montandoniola indica Yamada, 2011
- Montandoniola kerzhneri Yamada, Yasunaga & Miyamoto, 2010
- Montandoniola moraguesi (Puton, 1896)
- Montandoniola pictipennis (Esaki, 1931)
- Montandoniola thripodes Bergroth, 1916
- Montanorthops Ghauri, 1978
- Monticorixa armeniaca (Štys, 1975)
- Monticorixa kesar (Hutchinson, 1940)
- Mormidella montana Hoberlandt, 1984
- Mormidella paulii Horváth, 1889
- Mormidella phalerata (Jakovlev, 1905)
- Mustha baranovi Kiritshenko, 1952
- Mustha gigantea Horváth, 1907
- Mustha incana Stål, 1876
- Mustha izmirensis Memon & Ahmad, 2008
- Mustha longispinis Reuter, 1890
- Mustha morgani Horváth, 1907
- Mustha serrata (Fabricius, 1794)
- Mustha spinosula (Lefebvre, 1831)
- Mustha vicina Hoberlandt, 1997
- Mutusca prolixa (Stål, 1860)
- Myiomma altica Ren, 1987
- Myiomma austroccidens Yasunaga, Yamada & Tsai, 2017
- Myiomma choui C.S. Lin & C.T. Yang, 2004
- Myiomma fieberi Puton, 1872
- Myiomma kentingense Yasunaga, Yamada & Tsai, 2017
- Myiomma koreanum Oh & Lee, 2025
- Myiomma kukai Yasunaga & Hayashi, 2002
- Myiomma maculatum Akingbohungbe, 2003
- Myiomma minutum Miyamoto, 1965
- Myiomma nigricolle Akingbohungbe, 2006
- Myiomma qinlingense Qi, 2005
- Myiomma samuelsoni Miyamoto, 1965
- Myiomma takahashii Yasunaga & Hayashi, 2002
- Myiomma ussuriense Ostapenko, 2001
- Myiomma zhengi C.S. Lin & C.T. Yang, 2004