Phrynotettix robustus, known generally as the robust toad lubber or robust toad hopper, is a species of lubber grasshopper in the family Romaleidae.[1][2][3][4] It is found in North America.[2][5]
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"Phrynotettix robustus Species Information". BugGuide.net. Retrieved 2018-03-06.
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"Phrynotettix robustus Report". Integrated Taxonomic Information System. Retrieved 2018-03-06.
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"Phrynotettix robustus Overview". Encyclopedia of Life. Retrieved 2018-03-06.
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"Phrynotettix robustus species details". Catalogue of Life. Retrieved 2018-03-06.
^Otte, Daniel; Cigliano, Maria Marta; Braun, Holger; Eades, David C. "Orthoptera Species File Online". Retrieved 2018-03-06.
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