Steinernema feltiae
caterpillars , lace bugs and sawflies. Steinernema feltiae nematodes infect their hosts by entering through natural openings, releasing symbiotic bacteria [...] feltiae nematodes Steinernema feltiae is a species of beneficial nematode commonly used in biological pest control . These microscopic roundworms are parasitic [...] pest's body through natural openings. Once inside the pest, the nematodes release symbiotic bacteria, typically of the genus Xenorhabdus , which quickly multiply