ABSTRACTS The research has been carried out in Kedungsari Village, Morth Magelang, Magelang regent, from 14 th October 1992 to 14 th January 1993. The kind of soil is Latosol, pH 6,5, at 380 mts hight from the sea level. The research coursen to know the effect of insecticides Monokrotof os application periode and various varlety soybean to the disease of Bean Fly. This re…