What typically triggers the emergence of secondary pests?

The emergence of secondary pests is typically triggered by the control of another pest. This phenomenon occurs because when a primary pest is managed effectively through various means such as biological control or pesticide application, it can inadvertently create a more favorable environment for secondary pests. Without the competition or predation from the primary pest, these secondary pests can thrive and increase in population.

This dynamic illustrates the interconnected nature of ecosystems, where the management of one species can impact others. In agricultural and pest management contexts, it's crucial to consider not only the target pests but also the entire pest community to avoid unexpected surges in secondary pest populations following the control efforts of primary pests. Understanding this relationship helps pest managers formulate more holistic strategies that mitigate the risks associated with secondary pest outbreaks.