Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Mosquitoes don't just bite you, they also pee on you.
11
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
When dragonflies mate, their tails form a love heart.
22