Two new species of Betacixius Matsumura, 1914 (Fulgoromorpha, Cixiidae), B. latissimus Zhi & Chen, sp. nov. and B. maguanensis Zhi & Chen, sp. nov., are described from Yunnan Province, China. The genus is reviewed and a key to all known species is provided. The females of four Chinese species are described for the first time.
Keywords: Fulgoroidea; Female genitalia; Oriental region; morphology; taxonomy.
Yan Zhi, Chang-Hua Zhang, Lin Yang, Xiang-Sheng Chen.