References
Bailey, W.J. (1980) A Review of Australian Copiphorini (Orthoptera: Tettigoniidae: Conocephalinae). Australian Journal of Zoology, 27 (1979), 1015–1049. [http://hbs.bishopmuseum.org/fiji/pdf/bailey1979.pdf] https://doi.org/10.1071/ZO9791015
Massa, B. (2021) Orthoptera Tettigoniidae as indicators of biodiversity hotspots in the Guinean Forests of Central and West Tropical Africa. Zootaxa, 4974 (3), 401–458. https://doi.org/10.11646/zootaxa.4974.3.1
Ragge, D.R. (1969) A revision of the African species of Pseudorhynchus Serville (Orthoptera: Tettigoniidae). Bulletin of the British Museum (Natural History) Entomology, 23 (5), 169–190. [http://www.archive.org/details/bulletinofbritis23entolond] https://doi.org/10.5962/bhl.part.15133