Abstract: Two new species Mesoblattula tuodianensis sp.nov.and Neorthophlebia yunnanensis sp.nov.,as well as three other indeterminable species are for the first time found in the Lannijing and Jishanpo sec-tions of the Late Jurassic Tuodian Formation in central Yunnan Province,Southwest China,in2002.A-mong them the genus Neorthophlebia is found in China for the first time.These insects can be roughly correlated with the Houcheng Entomo fauna in North China.