Baker E, Price BW, Rycroft S, Villet MH. Global Cicada Sound Collection I: Recordings from South Africa and Malawi by B. W. Price & M. H. Villet and harvesting of BioAcoustica data by GBIF. Biodiversity Data Journal. 2015;3:e5792. Available at: http://bdj.pensoft.net/articles.php?id=5792.

Price BW, Barker NP, Villet MH. Patterns and processes underlying evolutionary significant units in the Platypleura stridula L. species complex (Hemiptera: Cicadidae) in the Cape Floristic Region, South Africa. Molecular Ecology. 2007;16:2574-2588.