Anew species and a new record of the genus Balanococcus Williams are described from China. Theyare B. zhejiangensis sp. nov. and B. kwoni Pellizzari &Danzig, 2007. The new species, collected from Zhejiang, China under leaf sheathof Phyllostachys praecox, is similarto B. kwoni Pellizzari & Danzig, but can be distinguished by itshind coxa inflated, and only small type of oral collar tubular ducts present ondorsal surface. A key to Chinese species of Balanococcus is given. All specimens examined aredeposited in the Insect Collection of Beijing Forestry University.