For almost 15 years, European and French experts have been recommending that Bayer improve environmental monitoring of commercial Mon810 corn crops in Spain and Portugal. This improvement is necessary, they say, to prevent target insects such as the European corn borer and sesamia from developing resistance to the insecticide produced by this transgenic corn. But year after year, Bayer only partially responds to these requests. Yet concerns are becoming increasingly serious and concrete, as demonstrated by the latest EFSA opinion, published in August 2024.
