What is the primary purpose of using barriers in mechanical/physical pest control?

Using barriers in mechanical or physical pest control is primarily aimed at preventing pests from entering a specific area. This method is effective because it stops potential pest problems before they can develop, thus safeguarding crops, structures, and resources from infestations. Barriers can take various forms, such as fences, nets, or physical traps that block access.

In contrast, attracting pests away from crops does not necessarily prevent entry, and while eliminating existing pest populations might be a desired outcome, it is not the main function of barriers. Enhancing biodiversity in the ecosystem is a broader environmental goal that may not directly relate to the specific function of barriers in pest management. By understanding the primary purpose of barriers, applicators can implement more effective pest control strategies that focus on prevention as a key tactic.