The insects eventually grow to such a size that they take over much of the earth.

But since these insects never grow wings, researchers say, it was easy for them to be overlooked.

As the larval insect grows, small groups of cells form in several locations.

Over the millennia the insects and plants grew to gigantic sizes.

When he died, they opened his skull and found the insect had grown to the size of a bird.

But no insect had ever grown that large, not even under the blazing desert sun.

In the 19th century the insects grew in size and began to take on human dress.

The insects grow to huge sizes and turn the sorority house into a nest, trying to kill the residents.

As an insect grows it needs to replace the rigid exoskeleton regularly.

A world where insects and arachnids grow to frightening proportions.