Methamidophos, aka Monitor is an organophosphate insecticide.
Crops grown with the use of methamidophos include some Latin American rice. Many nations use methamidophos on crops, including developed nations such as Spain, United States, Japan, and Australia. Due to its toxicity, the use of pesticides that contain methamidophos is currently being phased out in Brazil.
Read more about Methamidophos: Toxicity, Use, Use in Poisoning