Bermuda Flightless Grasshopper (Paroxya bermudensis)  

This, indeed wingless and therefore flightless, predominantly brown colored grasshopper species was described in the year 1909.  

The males reached a length of 1,72 cm, the females of 2,45 cm.  

The species is considered extinct nowadays, for what introduced Norway (Rattus norvegicus (Berkenhout)) and Black Rats (Rattus rattus (L.)) are held responsible for.  

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References:  

[1] J. A. G. Rehn: A new species of the genus Paroxya from Bermuda (Orthoptera). Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia 20: 343-345. 1909

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edited: 11.10.2020