The fall armyworm life cycle can span 30 to 90 days, depending on temperature. It moves through six larval stages, called instars, reaching up to 1 1/2 inches long at maturity. Most damage from fall ...

Fall armyworm (Spodoptera frugiperda) is an invasive agricultural pest, which first hit West Africa in 2016 and quickly spread across the continent. Experts have now found that the pest’s impact on ...