Red paper wasps can be removed safely by spraying the nest at night with a wasp-killing aerosol, then knocking the nest down once all activity stops. Timing, protective clothing, and a clear escape route make the difference between a straightforward job and a painful one. Here’s how to handle every step.
Confirm You’re Dealing With Paper Wasps
Red paper wasps belong to the genus Polistes and range in color from reddish-brown to orange-brown, sometimes with yellow markings. They’re slender insects, about three-quarters of an inch long, with a narrow “waist” between the thorax and abdomen and noticeably long legs that dangle beneath them in flight. That dangly, almost delicate flight pattern sets them apart from the more compact, aggressive yellowjackets.
Their nests are the easiest giveaway. Paper wasps build open, umbrella-shaped combs with no outer covering, so you can see the individual hexagonal cells. You’ll typically find these nests tucked under eaves, porch ceilings, deck railings, window frames, or any overhang that shields them from rain. A mature nest might be the size of your palm and hold a few dozen wasps, far smaller than the enclosed, football-sized nests that yellowjackets and hornets build.
Decide Whether Removal Is Necessary
Paper wasps are actually beneficial. They prey on caterpillars and other garden pests, and they pollinate plants. A nest tucked in a back corner of your shed, well away from foot traffic, may not need to go at all. Paper wasps generally warn intruders by bumping into them before resorting to stinging, so a nest in a low-traffic spot poses little risk.
Seasonal timing matters too. Paper wasp colonies start fresh each spring from a single queen, grow through summer, and die off naturally once cold weather arrives. A nest discovered in October or November will perish on its own within weeks. On the other hand, a small nest spotted in May or June is worth dealing with early. Left alone, it can grow into a much larger colony by August or September, when the wasps are most numerous and defensive. Removing a nest with five wasps in June is far easier than tackling one with 30 or more in late summer.
Treat the Nest at Night
The single most important rule: do your work after dark. At night, all the wasps are back on the nest, they’re less active, and they have difficulty seeing. You’ll eliminate the entire colony in one pass instead of leaving foragers that return to rebuild.
Scout the nest during daylight so you know exactly where it is, how large it’s gotten, and what your approach and retreat path will look like. Then wait until at least an hour after sunset. Use a flashlight only if you need to, and if possible, set it on the ground pointed toward the nest rather than holding it (wasps may fly toward the light source).
Stand as far back as the spray can reach. Most commercial wasp and hornet aerosols shoot a stream 15 to 20 feet, which is plenty of distance. Aim directly at the nest and soak it thoroughly for several seconds, coating the comb and the wasps resting on it. The spray kills on contact and leaves a residual that takes care of any stragglers. Wait a full day before approaching. If you see any movement the next evening, spray again.
Once the nest is completely inactive, knock it down with a long stick or scrape it off with a putty knife. Bag it and throw it away. Leaving old nests in place can attract new queens looking for a proven nesting site the following spring.
What to Wear
Even at night, protective clothing is important. Wear long sleeves, long pants, closed-toe shoes, and gloves. Tuck your pants into your socks and your sleeves into your gloves so there are no gaps for a disoriented wasp to crawl into. A hat and a bandana or high collar protect your neck and face. Light-colored clothing is preferable because dark colors can provoke defensive behavior in stinging insects.
Plan your escape route before you spray. You want a clear, obstacle-free path away from the nest in case wasps become airborne. Don’t stand on a ladder if you can avoid it. A long-range aerosol spray from ground level is almost always safer than climbing up close.
Soapy Water for Small Nests
If the nest is small (golf-ball sized or smaller, with just a handful of wasps) and you’d rather skip the chemical spray, a simple mixture of dish soap and water works surprisingly well. Fill a spray bottle with water, add a generous squirt of liquid dish soap, and shake. The soap clogs the wasps’ breathing pores and coats their wings, immobilizing them quickly. You’ll need to be closer than you would with a commercial aerosol, so this method is best reserved for very small, easy-to-reach nests and should still be done at night.
Essential Oil Repellents
Essential oils won’t kill an established colony, but they can discourage wasps from building in a spot you’ve already cleared. Peppermint oil is the most commonly cited deterrent. Its high menthol concentration overwhelms the scent receptors wasps rely on to navigate, creating a zone they prefer to avoid. Clove oil (which contains eugenol) and lemongrass oil (which contains citronella compounds) have similar effects.
A common DIY recipe: combine about 15 drops of peppermint oil, 10 drops of clove oil, and 10 drops of lemongrass oil in a spray bottle with two cups of water and a teaspoon of dish soap. Adding a splash of white vinegar or witch hazel helps the scent last longer outdoors. Spray it on eaves, porch ceilings, railings, and other areas where you’ve seen nesting activity. Reapply every week or two, and especially after rain.
Think of essential oils as a follow-up strategy, not a first-line treatment. They make a cleared nesting site less attractive to new queens but won’t drive wasps off a nest they’ve already committed to.
Prevent New Nests From Forming
Queens emerge from hibernation in early spring and start scouting for protected, sheltered spots to build. You can make your home less inviting with a few structural fixes. Seal gaps around window frames, door frames, soffits, and where utility lines enter the house using caulk or steel wool. Repair torn window screens. Close off open ends of fence posts, patio umbrella poles, and pipes.
In early spring (March through April in most of the U.S.), walk your property and check the usual spots: under eaves, inside porch light fixtures, behind shutters, under deck railings, and inside grills or play equipment that’s been sitting idle. A new nest at this stage is tiny, often just a few cells with a single queen. You can knock it down with a stick or spray it with soapy water, and the queen will usually move elsewhere.
Keeping outdoor trash cans tightly sealed and cleaning up fallen fruit also helps. Paper wasps are drawn to protein sources in spring (when they’re feeding larvae) and sugary foods in late summer (when the colony shifts focus). Reducing both attractants makes your yard a less appealing territory.
When to Call a Professional
Most paper wasp nests are small enough and accessible enough to handle yourself. But some situations call for professional help. If the nest is inside a wall void, attic, or another enclosed space, store-bought sprays rarely reach the core of the colony, and disturbed wasps may find their way into your living space. Nests in hard-to-reach locations, like high peaks or tight crawlspaces, also warrant a professional simply because safe footing and a clear retreat matter more than saving the cost of a service call.
Anyone with a known allergy to wasp or bee stings should not attempt removal at all. Even people without a history of severe reactions can develop one, so if you’ve ever experienced swelling beyond the sting site, difficulty breathing, dizziness, or hives after a sting, let someone else handle it.
If You Get Stung
Paper wasps usually don’t leave a stinger behind, but if one does, scrape it out immediately using something thin and flat like a credit card. Don’t squeeze it with tweezers, which can push more venom into the skin. Wash the area with soap and water, apply ice to reduce swelling, and take an over-the-counter antihistamine and pain reliever as needed. Hydrocortisone or calamine lotion can help with itching.
Most stings cause localized pain, redness, and swelling that peak within a day or two and resolve within a week. Watch for signs of a systemic allergic reaction: difficulty breathing or swallowing, hives or flushing far from the sting site, nausea, dizziness, a rapid or weak pulse, or swelling around the mouth or throat. These symptoms can escalate quickly and require emergency medical attention.