Beneficial nematodes
areas. Some nematodes release enzymes to help digest and soften the host's cuticle, allowing them to enter. Symbiotic bacteria release: Once inside the insect [...] insect host, the nematodes release symbiotic bacteria, such as Xenorhabdus or Photorhabdus species, into the insect's body cavity. These bacteria are essential [...] The nematodes feed on the multiplying bacteria and absorb the nutrients released by the bacterial activity. This provides nourishment for the nematodes