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 ...

Bee, wasp, yellow jacket, hornet, and fire ant are the insect stings that most often trigger allergic reactions. But most people aren't allergic to insect stings and may mistake a normal sting ...

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 ...