Biological or biologically-derived pest control agents that are based on microorganisms or natural products. They include naturally occurring and genetically-engineered substances.

Organisms, biological agents, or biologically-derived agents used strategically for their positive or adverse effect on the physiology and/or reproductive health of other organisms.

Synonyms: Control Agent, Biological, 0, Biological Control Agents, Control Agents, Biological, Biological Control Agent, Biological Pesticides, Biopesticides, Biopesticide, Pesticides, Biological, Agent, Biological Control