The process,conditions and parameters of submerged fermentatiOn technolo-gy as well as the effects of the powder on pest insects for producing dry mycelium pOwder of Metarhizium anisopliae were reported insects.The results showed that the techology wasfeasible.When poplar tree crowns were sprayed with the 3.75ks/ha powder containing 50×10 ̄8/g spores,mortalities within 73.5%~84.9%ofSaperda populnea were reached;whilea dose of 22.5kg/ha was used to treat the ground,mortalities over 92%Car pocina niponensiswer...