(A) Survival rate of G. mellonella after injection of conidial suspensions of different strains. Control insects were treated with sterile water. (B) The mean lethal times to death (LT50) of different strains after injection. (C) Survival rate of G. mellonella after topical application of conidial suspensions of different strains. Control insects were treated with sterile water. (D) The mean lethal times to death (LT50) of different strains after topical application. ***, P (TIF)</p