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
The Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
6
The katydid bug hears through holes in its hind legs!
110
Flies are deaf.
379
The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
When dragonflies mate, their tails form a love heart.
22