A Preliminary Survey on the Epizootics of Infection of Nosema locustae among Grasshoppers in Rangeland ULTRASTRUCTURE AND PATHOGENICITY OF A MICROSPORIDIAN FROM LOCUST IN CHINA The mass Production and Application of Nosema Locustae Against Grasshoppers Control Effects of Applying Nosema Locustae Bait Mixed with Cascade Bait on the Populations of Rangeland Grasshopper The Effect of Nosema locustae Infection on Flying Ability of Locust (Locusta migratoria manilensis) Laboratory Bioassay Experiment of Calliptamus abbreviatus and Myrmeleotettix Palpalis After Dealing with Different Formula of Paranosema locustae and Metarhizium anisopliaeacridum ON THE SUSTAINABLE MANAGEMENT OF ORIENTAL MIGRATORY LOCUST DWELLING IN ABANDONEDLAND ECOSYSTEM IN HAINAN PROVINCE