The terms "bug" and "insect" are commonly used interchangeably in everyday language, yet scientifically, they refer to distinct categories of creatures. Insects belong to the vast class Insecta, ...

Insects are the largest taxonomic group in the animal kingdom. Three out of four described animal species belong to the class Insecta. They are widely distributed in terrestrial and aquatic ...

As school children are commonly taught, adult insects have six legs. No more, no less. But there's more to this story. The class Insecta is descended from multilimb ancestors, and most other living ...