The life form and the individual size group of grasshoppers in typical steppe of Inner Mongolia were dealt with based on morphometric data(length of body,height of body,width of body,length of tegmen,length of post femur,length of pronotum,length of post tibia,miximum width of head).The results show that 23 species of grasshoppers could be divided into three groups as follows: (1) large size group,only one species,i.e. Haplotropis brunneriana Sauss.(HBS) (2) medium size group,including Pararcyptera...