Asian giant hornets and other terrifying creatures

By Mike Leahy and CNN staffUpdated 4th October 2013
Swarms of aggressive hornets have killed dozens and injured over a thousand people in China.
The Assassin Bug on the writer's face.
The Assassin Bug on the writer's face.
courtesy Mike Leahy
The Irukandji jellyfish is only the size of a thimble.
The Irukandji jellyfish is only the size of a thimble.
courtesy Mike Leahy
Day-biting mosquitoes can spread a disease called dengue fever, otherwise known as "break-bone fever.
Day-biting mosquitoes can spread a disease called dengue fever, otherwise known as "break-bone fever.
david mcnew/getty images