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''Tetrix''Latreille PA (1802) ''Hist. Nat. Crust. Ins.'' 3: 284 is a genus of ground-hoppers or pygmy grasshoppers in the family 
Tetrigidae
Tetrigidae is an ancient family in the order Orthoptera, which also includes similar families such as crickets, grasshoppers, and their allies. Species within the Tetrigidae are variously called groundhoppers, pygmy grasshoppers,Borror DJ, Tripp ...
. There are at least 180 described species in ''Tetrix''.
Selected Species
See: List of Tetrix species * '' Tetrix arenosa'' (obscure pygmy grasshopper) * '' Tetrix ceperoi'' (Cepero's ground-hopper) * '' Tetrix ornata'' (ornate pygmy grasshopper) * '' Tetrix subulata'' (slender ground-hopper) - type species * '' Tetrix undulata'' ('common' ground-hopper)References
{{Taxonbar, from=Q3519196 * Caelifera genera