Flatidae Spinola, 1839
Ormenis albigyna Campos, 1932
Ormenis antoniae Melichar, 1902
Ormenis barberi Van Duzee, 1912
Ormenis biskrensis Lethierry, 1889
Ormenis corrupta (Fowler, 1900)
Ormenis cubensis Metcalf & Bruner, 1948
Ormenis despecta Melichar, 1902
Ormenis herbida (Walker, 1851)
Ormenis incerta (Walker, 1851)
Ormenis intricata (Walker, 1858)
Ormenis nigropunctula Melichar, 1908
Ormenis perfecta (Walker, 1851)
Ormenis planata (Fabricius, 1803)
Ormenis plebeia Kirkaldy, 1913
Ormenis primaria (Walker, 1858)
Ormenis proxima (Walker, 1851)
Ormenis quanta Ball, 1933
Ormenis robusta Uhler, 1901
Ormenis saucia Van Duzee, 1912
Ormenis tabescens (Stål, 1862)
Ormenis testacea (Walker, 1851)
Ormenis varicosa (Walker, 1858)
Ormenis yumana Ball, 1933
