Common Corn Pest Presents Major Challenge to Bt Crops

fall armyworm

By Andrew Porterfield The fall armyworm (Spodoptera frugiperda) is a major corn pest in South America, known to devour corn crops from Argentina to the Southeastern United States. Farmers have typically battled the worm’s infestation with chemical insecticides, but they have been met (unsurprisingly) with resistant insects. Transgenic corn raised to express Bacillus thuringiensis (Bt) […]