Answer:
Macrochelidae is a good bioagent for flies.
Explanation:
Macrochelidae is suitable for biological control because it feeds on the harmful flies which causes many diseases. In this type of control, no harm occur to the environment and their organisms while on the other hand, pesticides also controls flies population but the chemical also kill the beneficial organisms living in that environment so macrochelidae is considered as a suitable bioagent for flies.
