We constructed a matrix based on distribution data for Chinese Tetrigidae insects and an area cladogram using northeastern China area as an outgroup.

• 根据蚱科昆虫的分布, 构建特有性简约性分析所需的矩阵, 以东北区作为外群, 用最大简约法通过穷尽式搜索得到分布区分支图。