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
Flies are deaf.
379
When dragonflies mate, their tails form a love heart.
22
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
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