Gnezdilov, Vladimir M., and Thierry Bourgoin. 2017. “The Mythic Species Issus analis Brullé, 1833 (Hemiptera, Fulgoroidea, Issidae): Still an Enigmatic Taxon”. Zootaxa 4216 (2). Auckland, New Zealand:197–200. https://doi.org/10.11646/zootaxa.4216.2.6.