Tettigoniinae
The Tettigoniinae are a subfamily of bush crickets or katydids, which contains hundreds of species in about twelve tribes. Distribution. The greatest diversity is in the Palaearctic region and many of the familiar European species of bush crickets ("e.g." in the genera "Metrioptera, Pholidoptera, Platycleis" and the type genus "Tettigonia") are in this subfamily. They are attributed to an ancient Gondwana fauna, which is reflected in the known distribution of the southern African genera, which are in turn related to Australian and North American genera in the tribe Nedubini ("e.g. Neduba" and "Aglaothorax"). Extant genera are native to: the  Americas (where they may be called shield-backed katydids), Australia, southern Africa, Europe (especially Mediterranean), and the Near East. The faunas of the Neotropics and Australia are more closely related to one other than to those of southern Africa and Madagascar (in tribe Arytropteridini), although the three faunas are related. Tribes and genera. In the "Orthoptera Species File", the following are listed: Arytropteridini. Auth. Caudell, 1908 Ctenodecticini. Auth. Caudell, 1908 Decticini. Auth. Herman, 1874 (synonyms Decticidae or Dectici Herman, 1874) Drymadusini. Auth. Uvarov, 1924 Gampsocleidini. Auth. Brunner von Wattenwyl, 1893 Glyphonotini. Auth. Tarbinsky, 1932 (synonyms: Glyphonotinae Tarbinsky, 1932; Glyphontini) Nedubini . Auth. Gorochov, 1988 Onconotini. Auth. Tarbinsky, 1940 Pholidopterini. Auth. Ramme, 1951 Plagiostirini. Auth. Storozhenko, 1994 Platycleidini. Auth. Brunner von Wattenwyl, 1893 Tettigoniini. Auth. Krauss, 1902 Examples and Gallery. The Mormon cricket, actually a katydid and member of this subfamily, has been known to cause extensive damage when it breeds in large numbers in cropland. 123 species are native to North America.