The Importance of Insects Insects are commonly categorized as harmful or beneficial, but such sorting is done arbitrarily, as all insects' effect our lives greatly. That is not to say that certain insects may not be of a more obvious and positive use to us than others may be, as many have functions which translate straight into money while others require millions of dollars worth of insecticides, but even the insects which do not benefit man's most simple interests fit into the Earth's crucial ecology. One of the insects' most crucial roles in our lives is as a pollinator. A great number of plant