Revision of the oriental spittlebug genera Baibarana Matsumura and Telogmometopius Jacobi (Hemiptera : Cercopidae : Rhinaulacini)

The Oriental spittlebug genera, Baibarana Matsumura and Telogmometopius Jacobi (Hemiptera: Auchenorrhyncha: Cercopidae), previously included in Cosmoscartini and Bandusiini, respectively, are transferred to Rhinaulacini and revised to include five and nine species, respectively. The species recognized are: Baibarana bicolor sp. nov. (Vietnam), B. longispina sp. nov. (Laos and Thailand), B. rufofasciata sp. nov. (Vietnam), B. sinuata sp. nov. (Vietnam), B. uchidai Matsumura (Taiwan), Telogmometopius angulatus sp. nov. (Malaysia: northern Borneo), T. bicarinatus sp. nov. (northeastem India), T. bifasciatus sp. nov. (Malaysia: northern, Borneo), T. carinilabratus (Chou and Wu) (from Baibarana Matsumura), comb. nov. (southwestern China: Yunnan; Tibet), T. himalayensis sp. nov. (northeastem India: east Himalayas, southwestern China: Tibet), T. obsoletus Jacobi, 1921 (southem and central China: Hubei, Gansu, Sichuan, Guizhou, ?Jiangxi), T. rangoonensis sp. nov. (Burma), T sabahensis sp. nov. (Malaysia: Sabah), and T. sarawakensis sp. nov. (Malaysia: Sarawak). Descriptions and keys to genera and species are provided together with structural illustrations. Scanning electron micrographs of the antennal sensilla, rostral apex, and male genitalia of the two genera, are provided for the first time. A lectotype is designated for Telogmometopius obsoletus Jacobi.