Please correct your bookmark. Your browser should automatically take you there in 10 seconds. All these methods have in common the use of living organisms, by people, to control the pests. It includes the commercial sale of insectary-reared minute parasitoid wasps for control of greenhouse whitefly.
Biological control uses pathogens, predators, or parasitoids.
The beetle larvae, while growing, eat many scales, and the adult beetles also eat many scales. In contrast, a parasitoid destroys only one host during its larval development. Predators, parasitoids, and pathogens as a group are called natural enemies , for want of a better expression. Biological control agent is an expression used for such a natural enemy when it is used in biological control. The pest against which the action is taken is called the target.