Neb. Rev. Stat. § 2-1074.01

Biological control shall mean: (1) The use by humans of living organisms to control or suppress undesirable animals, plants, or microorganisms which affect plants or plant pests; or (2) The action of parasites, predators, pathogens, or competitive organisms on a host or prey population which affect plants or plant pests to produce a lower general equilibrium than would prevail in the absence of the biological control agents.