Noctuidae Latreille, 1809
Megasema adducta Herz, 1902
Megasema adela Franclemont, 1980
Megasema albinotica Cockayne, 1952
Megasema aldani Herz, 1904
Megasema apronia Stoll, 1782
Megasema arenaria Nordström, 1944
Megasema argentea Boursin, 1963
Megasema artvina de Freina & Hacker, 1985
Megasema ashworthii Doubleday, 1855
Megasema avellanea Hirschke, 1910
Megasema basilinea Lempke, 1962
Megasema bolteri Smith, 1898
Megasema brevipennis Lempke, 1962
Megasema burraui Nordström, 1944
Megasema caelebs Staudinger, 1895
Megasema calcinia Sohn-Rethel, 1929
Megasema candelarum Staudinger, 1871
Megasema candelisequa Hübner, 1827
Megasema cnigrum Linnaeus, 1758
Megasema colorado Smith, 1891
Megasema crassipuncta Wileman & South, 1920
Megasema cruda Lempke, 1962
Megasema degenerata Staudinger, 1889
Megasema depravata Bang-Haas, 1912
Megasema deraiota Hampson, 1902
Megasema descripta Bremer, 1864
Megasema desiderata Corti & Draudt, 1933
Megasema ditrapezium Schiffermüller, 1775
Megasema dolosa Franclemont, 1980
Megasema durandi Lucas, 1937
Megasema excavata Matsumura, 1925
Megasema fritschi Culot, 1910
Megasema fuscolimbata Lempke, 1962
Megasema grisea Turner, 1939
Megasema ignorata Eitschberger, 1972
Megasema immaculata Lempke, 1962
Megasema inalpina Hartig, 1938
Megasema insulata Warren, 1912
Megasema intermedia Tutt, 1892
Megasema inuitica Lafontaine & Hensel, 1998
Megasema isolata Holloway, 1976
Megasema jotunensis Schöyen, 1887
Megasema kollari Lederer, 1853
Megasema kurilana Bryk, 1942
Megasema lactescens Turati, 1919
Megasema lalle Schultz, 1934
Megasema latinigra Prout, 1928
Megasema maculata Smith, 1893
Megasema maerens Dannehl, 1925
Megasema moeschleri Bang-Haas, 1910
Megasema molisana Dannehl, 1929
Megasema montana Grote, 1875
Megasema nigrescens Buresch, 1915
Megasema nisseni Rothschild, 1912
Megasema nivescens Rebel, 1907
Megasema nunatrum Esper, 1786
Megasema obscura Lempke, 1962
Megasema obscurior Sälzl, 1928
Megasema orientalis Strand, 1916
Megasema ottonis Alphéraky, 1895
Megasema pachnobides Staudinger, 1888
Megasema pallida Hoffmann, 1915
Megasema pelita Corti & Draudt, 1933
Megasema plumbata Butler, 1881
Megasema praetermissa Warren, 1912
Megasema propitia Püngeler, 1906
Megasema rosea Tutt, 1892
Megasema rubrescens Schawerda, 1921
Megasema rufescens Lempke, 1962
Megasema scropulana Morrison, 1874
Megasema semiconfluens Lempke, 1962
Megasema sigma Esper, 1796
Megasema signata Staudinger, 1871
Megasema singularis Esper, 1786
Megasema staudingeri Möschler, 1862
Megasema stupenda Butler, 1878
Megasema stupens Oberthür, 1880
Megasema subgrisea Staudinger, 1897
Megasema sublima Kozhanchikov, 1925
Megasema suffusa Tutt, 1892
Megasema triangulum Hüfnagel, 1776
Megasema tristigma Treitschke, 1825
Megasema troubridgei Lafontaine, 1998
Megasema tundrana Bang-Haas, 1912
Megasema umbrata Schultz, 1908
Megasema unimacula Lempke, 1962
Megasema unimaculata Chalmers-Hunt, 1961
Megasema vallesiaca Stainton, 1855
Megasema virgata Tutt, 1892
Megasema wockei Möschler, 1862