8St Leger R J, Durrands P K, Chamley A K, et al. The role of extracellular chymoelastase in virulence of Metarhizium anisopliase for Manduca sexta [ J]. J Invertebr Pathol, 1988,52:285 ～ 293
9Bidochka M J,Khachatourians G G. Identification ofBeauveria bassiana extracellular protease as a virulence factor in pathogenicity toward the migratory grasshopper Melanoplus sanguinipes [ J ]. J Invertebr Pathol, 1990,56:362 ～370
