Most ground-nesting wasps are solitary and mind their own business as they pollinate plants and prey on unwelcome garden pests, such as caterpillars. But social wasps, which live in a colony with a ...

Few people are likely pleased when wasps join them. They nibble on food uninvited, buzz close to the body, and sting if they perceive us as a threat. No, wasps are truly bothersome—at least to humans.