Yellowjacket is the common name in North America for predatory wasps. Members of these genera are known simply as "wasps" . Most of these are black and yellow; some are black and white (such as the bald-faced hornet, while others may have the abdomen background color red instead of black. They can be identified by their distinctive markings, small size (similar to a honey bee), their occurrence only in colonies, and a characteristic, rapid, side to side flight pattern prior to landing. All females are capable of stinging. Yellowjackets are important predators of pest insects.