Sepsidae
Themira annulipes (Meigen, 1826)
Themira arctica (Becker, 1915)
Themira bifida Zuska, 1974
Themira biloba Andersson, 1975
Themira bispinosa Melander & Spuler, 1917
Themira endoi Iwasa, 2003
Themira flavicoxa Melander & Spuler, 1917
Themira germanica Duda, 1926
Themira gorodkovi Ozerov, 2003
Themira gracilis (Zetterstedt, 1847)
Themira japonica Zuska, 1974
Themira kanoi Iwasa, 1995
Themira latitarsata Melander & Spuler, 1917
Themira leachi (Meigen, 1826)
Themira lucida (Staeger, 1844)
Themira lutulenta Ozerov, 1986
Themira maculitarsis Curran, 1929
Themira makiharai Iwasa, 1984
Themira malformans Melander & Spuler, 1917
Themira mesopleuralis Iwasa, 1981
Themira mexicana Ozerov, 1999
Themira minor (Haliday, 1833)
Themira mongolica Soos, 1972
Themira nigricornis (Meigen, 1826)
Themira notmani Curran, 1927
Themira paludosa Elberg, 1963
Themira przewalskii Ozerov, 1986
Themira pusilla (Zetterstedt, 1847)
Themira putris (Linnaeus, 1758)
Themira ringdahli Pont, 2002
Themira sabulicola Ozerov, 1985
Themira saigusai Iwasa, 1981
Themira seticrus Duda, 1926
Themira shimai Iwasa, 1984
Themira simplicipes (Duda, 1926)
Themira superba (Haliday, 1833)