Tetrix arenosa, known generally as the obscure pygmy grasshopper or obscure grouse locust, is a species of pygmy grasshopper in the family Tetrigidae. It is found in North America.[1][2][3][4]
Subspecies
These two subspecies belong to the species Tetrix arenosa:
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Otte, Daniel; Cigliano, Maria Marta; Braun, Holger; Eades, David C. (2019). "species Tetrix arenosa Burmeister, 1838". Orthoptera species file online, Version 5.0. Retrieved 2019-07-02.