Heller, K.-G. “Provisional Checklist of the Tettigonioidea (Insecta: Orthoptera) from São Tomé &Amp; Príncipe With Taxonomic Remarks, Bioacoustical Data and the Description of New Taxa”. Zootaxa, vol. 4563, no. 1, Feb. 2019, pp. 41–66, doi:10.11646/zootaxa.4563.1.2.