Yellowjackets on a plant stem in a yard - Md Ashiful Hoque/Shutterstock If you notice a bunch of insects with black and yellow stripes buzzing around your backyard, they may not be the bees you think ...

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 ...