To demonstrate the benefit of pest control in cotton/grain systems as it relates to native vegetation and native remnant communities. This will be done by understanding:(i) the contribution that native vegetation and native plant communities are making to growing populations of key beneficial insects (predators and parasitoids) and pests;(ii) whether a high native remnant : arable land ratio results in greater pest control; and(iii) the spatial scale at which native remnants contribute to the ecosystem of pest control.