A significant research base exists for these pests. Management tactics have been devised and are being utilized by many growers. Insecticide use by the industry is very low. Pesticide use by the macadamia nut industry is relatively low due to their commitment and utilization of cultural practices to manage insect and disease pathogens. Overall, bio-control is the preferred and most utilized pest management tool.
Comprehensive research is ongoing to improve pest management alternatives.
Rats consume nuts and eat into profits. The United States Department of Agriculture Denver Wildlife Research Center is providing the research base for rat control. Development of effective cultural and chemical control methods depends on the completion of these studies. Some cultivars are more resistant than others. There are several other diseases of significance in macadamia culture.