A paper nest is a lightweight structure built by social wasps using chewed wood fibers mixed with saliva. The result is a surprisingly durable papier-mâché material that houses developing larvae in honeycomb-shaped cells. Paper wasps, yellowjackets, and hornets all build these nests, but each species produces a distinctly different structure in a different location.
How Wasps Make Paper
Wasps are the original papermakers. A wasp lands on a fence post, dead tree, or piece of weathered lumber and uses its powerful mandibles to scrape away thin strips of wood fiber. It chews the fibers while mixing in saliva, creating a soft, malleable pulp. Back at the nest site, the wasp spreads this pulp in thin layers that dry into a rigid, paper-like material. The color of the finished paper depends on the wood source: gray from weathered lumber, tan from fresh wood, even faintly striped when wasps collect from multiple sources.
This material forms two key structures. The brood cells are small hexagonal tubes, arranged side by side like a honeycomb, where the queen lays one egg per cell. Some species also build an outer envelope, a layered shell of the same paper material that insulates and protects the comb inside.
Three Common Nest Types
Knowing which nest you’re looking at tells you which wasp built it, how large the colony is, and how defensive the insects are likely to be.
Paper Wasp Nests
These are the small, open umbrella-shaped nests you find under eaves, porch ceilings, door frames, and shrub branches. A single layer of comb, usually only a few inches across, hangs from a central stalk with no outer covering. The papery material is brown-gray. Because the cells are completely exposed, you can often see larvae or capped pupae inside. Paper wasp colonies are relatively small, typically a few dozen workers at peak size.
Yellowjacket Nests
Yellowjackets usually nest underground in abandoned rodent burrows, though they occasionally build inside wall voids or hollow trees. Aerial nests are rare. Their nests contain multiple tiers of comb stacked vertically, all enclosed in a paper envelope. A mature colony can hold thousands of workers, which is why disturbing a yellowjacket nest accidentally (while mowing, for example) can result in a large number of stings very quickly.
Hornet Nests
Hornets build large, enclosed aerial nests, often football-shaped, that hang from tree branches or building overhangs. Inside, successive layers of comb are arranged in tiers, all wrapped in a thick paper envelope. These nests can house thousands of individuals by late summer. The bald-faced hornet, common in North America, produces some of the most visually striking paper nests, sometimes larger than a basketball.
The Seasonal Life Cycle of a Paper Nest
Every paper nest starts with a single queen. In spring, she emerges from hibernation, feeds for a short period, and begins building a small cluster of cells in a sheltered, dry location. She lays one egg in each cell. Those eggs hatch into larvae in five to eight days, and the full development from egg to adult worker takes roughly 28 to 48 days depending on temperature.
Once the queen has five to seven workers helping her, she stops leaving the nest entirely and focuses on laying eggs for the rest of her life. The workers take over foraging, nest construction, and defense. Through summer, the colony grows rapidly as successive layers of comb are added beneath existing ones, so the nest expands downward.
In late summer and autumn, the colony shifts its energy toward reproduction. Males hatch first, about two weeks before new queens. The new queens are raised in specially enlarged cells near the bottom of the nest. An average nest produces between 1,000 and 2,000 new queens in a season. After mating, these young queens fly away to find sheltered spots to hibernate through winter. The original colony, including the old queen and all the workers, dies off in late autumn. The nest is abandoned.
Do Wasps Reuse Old Nests?
No. Wasps do not reuse a nest from a previous year. Every spring, each surviving queen builds a brand new nest from scratch. An old nest hanging under your porch in December is empty and will not attract wasps the following season. You can safely remove it in winter without any risk of stings. Some people leave old nests in place since they pose no threat, though weather and birds usually break them apart over the winter months.
The only exception is in mild climates where a small percentage of colonies survive winter and continue growing. In New Zealand, for instance, roughly 10% of German wasp nests persist through the winter, skipping the “new nest” phase entirely. In most of North America and Europe, winter kills the colony reliably.
Why Paper Nests Are Worth Keeping Around
Paper wasps and yellowjackets are among the most efficient caterpillar predators in a garden. They hunt caterpillars, fly larvae, and other soft-bodied insects to feed their developing young, providing natural pest control for crops and ornamental plants. If a nest is in a low-traffic area where stings are unlikely, leaving it alone benefits your garden.
Wasps also contribute to pollination in a less obvious way. They aren’t built for it the way bees are, since they lack pollen baskets and the fuzzy body hair that transports pollen between flowers. For crops that need cross-pollination, like squash or melons, wasps aren’t much help. But many common garden crops, including beans and tomatoes, largely self-pollinate. These flowers still need physical agitation (called “tripping”) to bring their reproductive parts into contact, and a wasp landing on the flower provides exactly that. Wasp visits to bean flowers have been shown to increase yields.
Some plants have even evolved structures specifically to attract wasps. Extrafloral nectaries, small nectar-producing glands located on leaf stems rather than inside flowers, lure wasps to the plant so they’ll hunt caterpillars feeding on the leaves. The plant trades a small sugar reward for a bodyguard.
Removing a Nest Safely
Small, exposed paper wasp nests are the easiest to deal with. Aerosol wasp sprays produce a concentrated stream with a range of 15 to 20 feet, letting you treat the nest from a safe distance. Early morning is the best time because most workers are still on the nest and less active in cool temperatures. Point the nozzle directly at the nest and saturate it. Wait a full day before removing the nest to ensure all wasps have been exposed.
Larger nests, underground yellowjacket colonies, or nests inside wall voids are riskier to handle on your own. The colony size can be in the thousands, and disturbing the nest triggers a coordinated defensive response. For these situations, a pest control professional is the practical choice. If you do attempt any treatment yourself, always read the product label, wear long sleeves and pants, and have a clear escape route planned before you begin.