Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colourful world of Earth's essential pollinators -- bees, moths and butterflies.

The ruthless realm of some of the stealthiest and cleverest insects in the animal kingdom -- from praying mantises and aquatic insects to dragonflies.

The crucial ecological roles that beetles play in nearly every environment, and why they are often regarded "the most important species on the planet."