Hoch, H. (2005) On the identity of the type species of the planthopper genus Oliarus Stal, 1862, Oliarus walkeri (Stal, 1859) (Hemiptera: Cixiidae). Zootaxa, 1056 (1), 53–60.
https://doi.org/10.11646/zootaxa.1056.1.4