Entomopathogenic nematodes (EPNs)
Parasitic nematodes that infect and kill insects. Several species, especially in the family Steinernematidae, are being used in the biological control of pests.
References
Lacey, L.A., Grzywacz, D., Shapiro-Ilan, D.I., Frutos, R., Brownbridge, M. and Goettel, M.S. 2015. Insect pathogens as biological control agents: Back to the future. Journal of Invertebrate Pathology 132: 1–41.