Yellowjackets is a common hornet in the city. Like bees they create hives. But unlike bees yellowjackets are preditors and hunt for there food mainly other insects. They have a stinger that contans a nasty toxicen that can be painful to preditors. Unlike Bees the stinger is perminitly in its body. So it will not die after it stings. It is less active around fall and spring.