Abstract
Fall armyworm Spodoptera frugiperda (J. E. Smith) and sugarcane stem borer Diatraea saccharalis are the major lepidopteran pests in maize crop in Brazil. Genetically modified maize that expresses insecticidal protein(s) of Bacillus thuringiensis (Bt) Berliner have been used to control these pests. Most of Bt maize events that are commercially approved in Brazil Express Cry proteins of Bt.…