Africanized Honey Bee - Also known as 'killer bees,' they are highly defensive and have a reputation for aggressive behavior.
European Hornet - While not a bee, this large and aggressive hornet can deliver painful stings if provoked.
Japanese Giant Hornet - Among the largest hornets, their stings are not only painful but can be life-threatening to humans.
Yellow Jacket Wasp - These aggressive wasps can become territorial and deliver painful stings if disturbed.
Paper Wasp - Known for their defensive nature, paper wasps can be aggressive when their nests are threatened.