Chapacris is a monotypic genus of grasshoppers containing only the species Chapacris tonkinensis. It is in the family Acrididae and subfamily Catantopinae. This species can be found in Vietnam.
References Tinkham (1940) Taxonomic and biological studies on the Crytacanthacrinae of South China. Lingnan Sci. J., Canton 19(3): 269-382, 7 pls. Chapacris. Orthoptera Species File. Eades DC, Otte D, Cigliano MM, Braun H (Version 5.0: retrieved 24 November 2018)