Which group of organisms is mentioned as providing a natural check on caterpillar populations by controlling the moth stages?

Answer

Parasitic wasps

Encouraging natural predators is noted as a beneficial long-term balancing strategy; this group includes birds, ground beetles, and parasitic wasps which act as natural checks on the success rate of the moth's egg-laying efforts.

Which group of organisms is mentioned as providing a natural check on caterpillar populations by controlling the moth stages?
biologyinsectmotheggcabbage