Revisionary notes on some tropical Issidae and Nogodinidae (Hemiptera: Fulgoroidea) Author Gnezdilov, Vladimir M. text Acta Entomologica Musei Nationalis Pragae 2009 2009-06-30 49 1 75 92 journal article 10.5281/zenodo.5319196 0374-1036 5319196 Thabena biplaga ( Walker, 1851 ) comb. nov. Issus biplaga Walker, 1851: 367 . Gelastyra biplaga : FENNAH (1956) : 511 . Type material examined. HOLOTYPE : ♀ , Hong Kong ( BMNH ). Supplementary description. Coryphe with anterior margin strongly convex. First metatarsomere with eight intermediate spines. Female sternum VII with large median oval process.