Tarantula hawk
The sting of this wasp is said to be the most painful insect sting in the world, but the pain only lasts for a few minutes. Not many people have been stung by a Tarantula hawk but people who have say that it is so painful that they can not think of doing anything but scream. Not many animals eat them, but one that can is the roadrunner. Many animals avoid Tarantula hawks because of their sting, so some insects mimic their looks. Many types of wasps, bees, flies, moths and beetles mimic the looks of the Tarantula hawk.