The most painful sting on Earth is a sting from the Bullet Ant, which is also known as the Paraponera clavate.
The bullet ant or Paraponera clavate has the most painful sting in the world when it comes to insect stings,
The pain from a bullet ant sting is often described as being "pure, intense, brilliant pain" when compared to being shot and lasting up to 24 hours.
Bullet ant stings rate 4.0 + on the Schmidt sting pain index and causes intense and unrelenting pain, tremors and even severe muscle contractions.
The bullet ant is the king of sting pain and is found in Central/South American Rainforests.
Other most painful stings in the world come from the Irukandji Jellyfish, Warrior Wasp and the Tarantula Hawk.
The Irukandji Jellyfish, and the box jellyfish can also cause agonizing pain when stung by them and the pain from the sting of the Irukandji jellyfish and box jellyfish can cause agonizing pain that can last for decades and is also considered the most painful sting in the world across all species, which often results in severe systemic effects.
The warrior wasp produces a sting that is rated 4.0 and described as torture that is similar to being chained in an active volcano for example.
And the Tarantula Hawk Wasp produces a sting that is rated at 4.0 and is described as blinding, fierce and shockingly electric.
Bullet ant pain from a sting can also last or persist for 24 hours straight.
Bullet ant venom also contains a neurotoxic peptide called poneratoxin that causes intense muscle contractions
Stings from bullet ants can also cause severe tachycardia, edema and lymphadenopathy.