Coccinella septempunctata adults on various ranges of starvation preying on Schizaphis graminum was studied.The results was as follows: (1)The functional reactive types of C.septempunctata adults on various range of starvation had no difference; (2)The predacious number of C.septempunctata adults on S.graminum had no difference in various starving conditions; (3)The predacious number ( Na ) of C.septempunctata adults on S.gramiunum had a variation with time (...