There are many natural controls that prevent some destructive insects from overpopulating the environment.
Predacious insects can play a major role in insect pest population management.
Humans can encourage and enhance the conditions for maintaining or increasing insect predator populations. Identification of the beneficial insects is an important first step. The grayish brown larva has long sharp curved jaws that extend beyond its head. It crawls along the leaf surface in search of aphids, scales, mealybugs, thrips, mites, and insect eggs. They have voracious appetites.