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
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
Mosquitoes don't just bite you, they also pee on you.
11
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Flies are deaf.
379
Moths are unable to fly during an earthquake.
328