Steinernema feltiae
feltiae nematodes Steinernema feltiae is a species of beneficial nematode commonly used in biological pest control . These microscopic roundworms are parasitic [...] for their effectiveness in controlling a variety of pests, including flies (i.e fungus gnats ), thrips , beetles , caterpillars , lace bugs and sawflies [...] hosts by entering through natural openings, releasing symbiotic bacteria that kill the host within a few days. They are often applied to the soil as a biological