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 a male honey bee climaxes during sex, his testicles explode and then he dies.
27
The katydid bug hears through holes in its hind legs!
110
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Mosquitoes don't just bite you, they also pee on you.
11
Flies are deaf.
379