One new species of the genus Tetrix LatreiUe, Tetrix nanpanjiangensis sp. nov. is described. This new species can be distinguished from Tetrix guibeiensis Zheng, Lu and Li, 2000 by： 1） in profile, vertex and frontal ridge forming a right angle; 2） frontal ridge slightly cocave between lateral ocellus; 3） anterior margin of pronotum straight; 4） anterior half of disc of pronotum slightly arched, posterior half flat in profile; 5） without a pair short longitudinal keels between shoulder; 6） third pulvillus of first tarsus longer than first and second. It appears similar to Tetrix tinkhami Zheng et Liang, 1998, but differs from the latter by it hind wings slightly not reaching top of hind process, width of midfemur narrower than width of tegmina. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University, China and Department of Chemistry and Life Science, Hechi University, China.
One new species of the genus Tetrix Latreille, Tetrix xiangzhouensis sp. nov. is described, and the male of Bolivaritettix luochengensis Deng, Zheng et Wei is reported for the first time, New species is similar to Tetrifuchuanensis Zheng, 1998, but differs in a number of ways, Width of vertex equal to or slightly narrower than width of an eye, anterior margin of vertex not protruding beyond eyes, length of a segment in middle of antenna about 7-8 times longer than width, lateral keels of prozona constricted backward, hind process of pronotum reaching two thirds of hind tibia, lower margins of anterior and middle femora ornate with sparse hairs,
