Evaluation of various natural diets for mass rearing Spodoptera frugiperda J.E Smith (Lepidoptera: Noctuidae).Spodoptera is one the pests that attack corn in Indonesia. This study aimed to evaluate most suitable dietfor S. from diets. The was conducted vitro. treatments were consisted ofvariation on diets, such as maize leaf, green mustard water spinach, sweet potato sugar caneleaf, and soybean...