ABSTRACT The objective of this research is to know the influence of flowers and pod losing to population of Etiella zinckene- ile, population of predators and the production of soybean (Glycine max). This research was carried out at village Dumpoh, district North Magelang, region Magelang City, from October 11, 1991 until January 7, 1992. The soil type is latosol, its altitude is 3…