This can compound the pest problem because these species normally keep pest populations in check.

However, as pest populations migrate naturally, their natural controls are usually not far behind.

Selective insecticides should only be used when pest populations reach economically damaging levels.

Chemicals also kill off natural predators that, in the past, helped control pest populations.

The concept is commonly used in insect population biology to determine how environmental factors affect the rate at which pest populations increase.

Monitoring of pest populations with pheromones is often integrated in management programs.

In contrast, organic horticulture tends to tolerate some pest populations while taking the long view.

In contrast, organic farming tends to tolerate some pest populations while taking a longer-term approach.

It has many benefits, including reduction of pest populations, plant diseases, and erosion.

There are several ways to deal with pest populations of tamarisk in the United States.