Linked from
The 187 pages that link to Biological pest control, each with the reason it gives.
CocoonNarrower topic: Cocoon-forming parasitoids can help control agricultural insect pests.
ParasitoidNarrower topic: Parasitoids are widely used as natural enemies in pest-control programs.
GranivoreNarrower topic: Predators of granivores can indirectly protect seeds and crops.
Grass carpNarrower topic: Grass carp is used as a living agent against excessive aquatic vegetation.
Weaver antNarrower topic: Weaver ants are deployed as predators to reduce insect pests in orchards.