Parapellopedon instabilis (Rehn, J.A.G., 1906)

Rehn, J. A. G. 1906. Studies in South and Central American Acridinae (Orthoptera), with the descriptions of a new genus and six new species. Proceedings of the Academy of Natural Sciences, Philadelphia (Proc. Acad. Nat. Sci. Philad. ) 58:10-50