Steinernema feltiae
commonly used in biological pest control . These microscopic roundworms are parasitic and are known for their effectiveness in controlling a variety of pests [...] Steinernema feltiae nematodes control pests through a process called parasitism. When applied to the soil or sprayed onto plant foliage, these microscopic [...] this way, Steinernema feltiae nematodes effectively control pests by parasitizing and killing them, providing a natural and environmentally friendly method