When a yellow jacket stings, its barb-like stinger pierces the skin and injects you with venom consisting of toxins called mastoparan and phospholipase A1 and A2. Unlike bees, yellow jackets can ...

On the other hand, epinephrine injections, more commonly known as EpiPens are used for people who do have severe allergic reactions to stings from bees, wasps or in this case yellow jackets.

While both insects will defend their nest if threatened, wasps tend to be more aggressive and use their stinger as a weapon for hunting. Yellow jackets are a type of wasp that often have black and ...