Iassus lanio[1] is the type species of planthoppers in its genus and the tribe Iassini. This species can be found throughout Europe including the British Isles through to Russia and Northern Africa; no subspecies are listed in the Catalogue of Life.
References
Linnaeus C (1761) II. Hemiptera. Cicada. In Fauna Svecica sistens animalia Sveciae regni: qvadrupedia, Aves, Amphibia, Pisces, Insecta, Vermes, distributa per classes and ordines, genera and species.