A key to the genera of Issini (Hemiptera: Fulgoromorpha: Issidae) of China and neighbouring countries, with descriptions of a new genus and two new species Author Rui Meng Author Yinglun Wang Author Daozheng Qin text European Journal of Taxonomy 2016 181 1 25 journal article 51584 10.5852/ejt.2016.181 96267bab-f85d-409d-bb95-5065744fba53 2118-9773 269259 urn:lsid:zoobank.org:pub:BAA1A445-2005-421F-81C2-493851B1F689 Tetrica Stål, 1866 Tetrica Stål, 1866a: 208 (type species: Tetrica fusca Stål, 1866 , by original designation). Tetrica – Distant 1906: 339. Diagnosis The genus can be recognized by the following characters: medium-sized; vertex transverse, with median carina; frons with strong median carina which runs through it, continued through the clypeus; tegmen with wide hypocostal plate; hind wing well-developed, trilobed.