CHEN Wu-Guo, LUO Qi-Gui , ZHANG Fan, GUO Hua-shan, XU Fen (1. College of Life Sciences, Central China Normal University , Wuhan 430079,China;2. College of Physics , Central China Normal University , Wuhan 430079, China) Abstract The ultrastrueture of fat body tissue of Helicoverpa armigera Hubner was observed under the electron microscope by means of ultra-thin tissue slice technology. Results showed that there were obvious structural pathological changes of mitoehondrion, endoplasmie refieulum, fat granule and nuclear of fat body cell of H. ...