The stinger is not barbed so the wasp can sting repeatedly. Yellowjacket nest . The nest can be quite large for some colonies of yellow jackets. It is made of a papery material. Inside, the new nest has layers of combs to raise the brood.
Some nests are aerial, but most often, the nests are subterranean or both aerial and subterranean.
People are usually stung when they step into or disturb a nest. Parts of this material may be reproduced for educational use.