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
When dragonflies mate, their tails form a love heart.
22
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Moths are unable to fly during an earthquake.
328