Why is patch control or spot treatment preferred in some scenarios?

Patch control or spot treatment is preferred in specific scenarios primarily because it targets only the areas that are infested. This method allows for a more efficient and effective approach to pest management by minimizing the amount of pesticide used and focusing efforts where they are truly needed. By treating only the affected spots, you reduce the exposure of non-target organisms and the environment to chemical treatments, thereby promoting better ecological balance and sustainability.

In contrast to this method, increasing pesticide usage, applying pesticides to all areas, or protecting all insects regardless of species would not be effective strategies. These approaches could lead to unnecessary applications, potential harm to beneficial species, and increased environmental risks without addressing the specific problem of the infestation. Therefore, targeting only infested areas allows for better pest management and minimizes adverse effects.