Insects in the family Tettigoniidae are commonly called katydids, or bush crickets. They have previously been known as "long-horned grasshoppers". More than 6,400 species are known. Part of the suborder Ensifera, the Tettigoniidae are the only extant (living) family in the superfamily Tettigonioidea.
Cooloola is a genus of ensiferan orthopterans known as Cooloola monsters. It is the only genus in the subfamily Cooloolinae and family Cooloolidae of the superfamily Stenopelmatoidea.
Idiostatus middlekauffi, known as Middlekauff's shieldback katydid, is a species of katydid endemic to the United States. It is considered "critically endangered" on the IUCN Red List.
Kawanaphila is a genus of insects in family Tettigoniidae from Australia. It was described in 1993 by David C. Rentz.
Phasmodes, known as stick katydids, is a genus of insects in the family Tettigoniidae and the only genus within the subfamily Phasmodinae. It contains the following species:
Trimerotropis is a genus of band-winged grasshoppers in the family Acrididae. There are at least 50 described species in Trimerotropis.
Tympanophora is a genus of bush-crickets, known as balloon-winged katydids, found in Australia. It is the only extant (living) genus in the subfamily Tympanophorinae.
Acilacris is a genus of shieldback katydids in the subfamily Meconematinae, found in southern Africa. It contains two subgenera, Acilacris and Aroegas, and nine species:
Agraeciini is a large tribe of bush crickets or katydids in the conehead subfamily, Conocephalinae.
Microtettigonia is a genus of bush-crickets or katydids, endemic to Western Australia and known as micro katydids. It is the only genus of the subfamily Microtettigoniinae.
Austrosaginae, the sluggish katydids, are a subfamily of Australian insects within the family Tettigoniidae.
Tettigoniidea is an infraorder of the order Orthoptera, with six extant families.
Capnobotes is a North-American genus of shield-backed katydids in the family Tettigoniidae. There are about 9 described species in Capnobotes.
Eremopedes is a genus of shield-backed katydids in the family Tettigoniidae. There are about 16 described species in Eremopedes.
Ateloplus is a genus of shield-backed katydids in the family Tettigoniidae. There are about eight described species in Ateloplus.
Idionotus is a genus of shield-backed katydids in the family Tettigoniidae. There are about seven described species in Idionotus.
Chimarocephala is a genus of band-winged grasshoppers in the family Acrididae. There are at least three described species in Chimarocephala.
Decticita is a genus of shield-backed katydids in the family Tettigoniidae. There are at least three described species in Decticita.
Cnemotettix is a genus of silk-spinning crickets in the family Anostostomatidae. There are about five described species in Cnemotettix.
Agnostokasia is a genus of spur-throated grasshoppers in the family Acrididae. There is at least one described species in Agnostokasia, A. sublima.
