The short version
Around Hudson, queens start nests in May, and colonies peak in late summer. Small, low paper wasp nests can be handled at dusk. Leave wall, ground and high nests to a pro.
- Treat nests at dusk, when wasps are home.
- Never seal a hole wasps are using.
- Ground and wall nests are best left to a pro.
- Knock down small nests early in spring.
- Call 911 for breathing trouble after a sting.
Homeowners and renters in Hudson with a nest near a door, deck or play area.
What to look for
Near a door or deck, stings will happen. Late-summer colonies are big and quick to sting. Wasps defend the area around their nest.
- 1Wasps disappearing into a hole in the lawn or a wall.
- 2Pets pawing at their face after sniffing a lawn spot.
- 3Large wasps circling porch lights after dark.
- 4Wasps appearing indoors near light fixtures or windows.
- 5Multiple stings on one person during a single outdoor task.
- 6Wasps entering an attic vent, dryer vent or weep hole.
Why it’s worth acting soon
- Nests grow all summer.
- Ground nests get disturbed by mowing.
- Wall nests can chew through into rooms.
- Stings are dangerous for anyone allergic.
Treatment options and typical costs
Inspection and Nest Identification
$75–$200
Nest location drives everything else in Hudson: height, whether it sits in a void, and how close it is to doors or play areas. The inspection should end with a plan and a price.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Preventive Spring Treatment and Follow-Up
$150–$400
Prevention won't stop every nest, and no honest company in Hudson will say it does. It cuts the odds and catches nests that start early.
- Time
- 45–90 minutes
- Best for
- Repeat nests, or someone allergic to stings
Sealing Up After the Nest Is Dead
$150–$450
Once the nest is dead, the gap gets sealed. Caulk, copper mesh or a soffit patch works. Old nests are not reused, but the gap invites new queens.
- Time
- 1–2 hours
- Best for
- Closing soffits, vents and gaps once a void nest is dead
Ground and Wall-Void Nest Treatment
$150–$500
Ground nests can hold thousands of yellowjackets by late summer. Mowing over one sets them off. Treatment is done in protective gear, usually at dusk.
- Time
- 30–60 minutes plus a return visit
- Best for
- Yellowjackets in lawns, retaining walls, soffits and wall voids
Prices are typical published ranges. Ask what’s included before you compare quotes.
In cold-winter areas, old nests are empty by now. It's a good time to fix vent covers and siding gaps before queens go looking in spring.Which wasps live around Hudson.
Paper wasps are the most common around Hudson. They build open, umbrella-shaped combs under eaves and railings. Eastern yellowjackets nest in the ground and in wall voids. They cause most stings. Bald-faced hornets build big gray nests in trees and eaves. European hornets live in New Hampshire too. They're large, fly at night, and nest in hollow trees. Mud daubers build tube-shaped mud nests. They rarely sting.
Local wasps conditions in Hudson.
Hudson sits in a humid continental climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October). In Hudson, the area is mostly suburban, so wasps pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by. An inspection in Hudson usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Hudson's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote. A provider who works Hudson and New Hampshire every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options.
Paper wasps like quiet, sheltered corners. Check garage rafters, door tracks and high shelves in spring for small starter combs.When they’re most active.
Nests die back after the first hard freeze in fall. Early spring is the easiest time to remove small starts.
Where they nest around houses here.
Plenty of homes in Hudson have basements, but most nests are higher up. Check eaves, attic vents and window frames. Watch for traffic in and out of gaps. A ground nest looks like wasps streaming from one hole. Homes from Hudson out to Nashua and Merrimack share the same favorite nest spots.
A year of wasps in Hudson.
- Spring: queens start new nests around May. Knock down small starts. - Summer: highs near 83°F in Hudson help colonies grow fast. - Late summer: peak season. Workers hunt sweets near people. - Winter: lows near 15°F in Hudson. Nests die; only queens survive.
Wasp, hornet or bee?
- Paper wasp: slim, long legs, open comb. - Yellowjacket: bright yellow and black, nests in the ground. - Hornet: larger, with a big closed paper nest. - Mud dauber: thin waist, mud tube nests. Rarely stings. - Honey bee: fuzzy and golden. about relocation.
If you get stung.
Move away from the nest first. Wash the sting and use a cold pack. An antihistamine can ease itching and swelling. 911 for trouble breathing or a swollen face or throat. If someone carries an epinephrine pen, use it.
Keeping wasps away from the patio.
- Food: cover plates and drinks outdoors. - Trash: keep lids tight and bins away from doors. - Fruit: pick up fallen fruit. - Spring checks: knock down small nests early. - Gaps: seal gaps after a nest is gone.
Ground nests: what to do.
Mark the hole with a flag. Keep kids and pets away. Don't mow over it. Don't pour gasoline or water in. Pros treat ground nests at night, when the colony is home.
A nest, or just visitors?
Wasps on flowers or trash cans may come from far away. A nest shows steady traffic to one spot. Watch at dusk, when they fly home. Follow the line back to an eave, vent, shrub or hole.
Treating a small nest yourself, safely.
- Only if it’s small, low and out in the open. - Never if anyone in the house is allergic. - Wait until dusk, when wasps are home and slow. - Wear long sleeves, pants and gloves. - Use a jet wasp spray from several feet away. - Never spray from a ladder. - Leave it overnight, then bag the nest.
Wasps and pets.
Dogs often snap at wasps and get stung on the face. Most stings just swell a little. your vet if the throat swells or breathing changes. Keep pet food and water bowls indoors in late summer.
Kids and wasps.
Teach kids to walk away calmly. Swatting makes a sting more likely. Check play sets, slides and playhouses for nests each spring. Use cups with lids for sweet drinks outside.
After the nest is gone.
Wasps don't reuse old nests. Seal the gap a wall nest used once it's quiet. Check nearby eaves for new starts. Knock down small new nests early next spring.
Wasps at picnics and barbecues.
- Drinks: use cups with lids or straws. - Food: keep it covered until you eat. - Trash: bag scraps and close the bin. - Calm: don’t swat; slowly move away. - Kids: teach them to walk away calmly.
Ground nests in the lawn.
Yellowjackets often nest in old rodent holes. Watch for wasps flying in and out of the grass. Mark it, and keep mowers and kids away until it's treated.
Questions to ask before you sign.
- What kind of wasp is it? - How will you treat a nest inside the wall? - Is removal of the dead nest included? - Is a return visit included?
What affects the price
- Preventive spring treatment bundled with removal.
- Roof pitch and safe access to the nest location.
- Exposed comb versus enclosed nest inside a wall or soffit.
- Local labor rates and seasonal demand.
- Species: paper wasps cost least, hornets and yellowjackets more.
- After-hours, weekend or emergency scheduling.
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What's your biggest concern about wasps?
When to call for help
They'll find another way in. Don't seal a hole wasps are using. right away if anyone in the house is allergic. Call for nests in walls, attics, the ground, or anywhere high.
What you can do yourself
Knock it down the next day. Big, high or hidden nests are a job for a pro. A small, reachable paper wasp nest is a fair DIY job. Spray it at dusk with a wasp aerosol.
Wasps in Hudson
With summer highs near 83°F in Hudson, colonies grow fast and are biggest by August. Winter lows near 15°F in Hudson end the season; only new queens survive, tucked into sheltered spots. In Hudson's neighborhoods, eaves, decks, play sets and shrubs are favorite nest sites.
Local research
Wasps in Hudson, NH: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in New Hampshire, when they are busiest around Hudson, and what the state figures look like. Everything below links to the agency or university page it came from.
Wasp species recorded in New Hampshire
- Bald-faced hornet (Dolichovespula maculata) — Penn State: 'found in most of the 48 contiguous states and D.C., throughout Canada and in Alaska'; actually an aerial yellowjacket that builds the football-shaped gray paper nes…
- European hornet (Vespa crabro) — Penn State: 'first detected in the 1840s', 'well established in the eastern United States', 'first reported from Arkansas in 1999'; workers 'up to an inch (25 mm) long', nests '…
- European paper wasp (Polistes dominula) — Penn State: 'first reported in 1978 around Boston', now 'coast to coast ... although they are apparently less common in the Southeast and Great Plains'; nests in 'eaves of struc…
- Native paper wasps (Polistes spp. (e.g., P. fuscatus, P. apachus, P. exclamans)) — Open umbrella-shaped nests under eaves, porch ceilings and railings. UC IPM: paper wasp colonies 'vary between 15 to 200 individuals'; Penn State: queens 'establish nests in May…
When wasps are busiest around Hudson
Queens emerge in April–May, colonies peak August–October, and workers die at the first hard frosts; only new queens overwinter (OSU, Penn State, UMN).
Bald-faced hornet range per Penn State covers most of the 48 contiguous states and D.C. European hornet is established across the eastern United States (Penn State).
Rules that apply in New Hampshire
For context, nationally
- 788 — Deaths from hornet, wasp, and bee stings, 2011–2021 (US). CDC MMWR
- 72 deaths per year — Average annual sting deaths, 2011–2021 (US). CDC MMWR
Sources: CDC MMWR; Baldfaced Hornet; European Hornet; European Paper Wasp; Yellowjackets and Other Social Wasps (Pest Notes). Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wasps away
- Cap hollow fence posts, railings and play-set tubes.
- Plug weep holes with mesh inserts, not solid caulk.
- Seal soffit seams and fascia gaps before spring.
- Fill old rodent burrows and mulch-bed holes in spring.
- Walk the eaves in April and knock down starter nests.
- Pick up fallen fruit under trees promptly.
For a nest in the ground or a wall, a pro treats the entrance and checks back to make sure the traffic has stopped before anything is sealed.Did you know?
European hornets hunt at night and are drawn to porch lights
Mud daubers stock their nests with paralyzed spiders
Questions people ask
Are wasps dangerous to my pets?
They can be. Dogs often get stung on the face. your vet if swelling spreads or breathing changes.
Do wasp traps work?
They catch some yellowjackets, but rarely fix a nest problem. Place them away from where people sit.
Why are there suddenly so many wasps in late summer?
Colonies are at their biggest by late summer. Food gets scarce, so workers hunt sweets and protein near people.
Can I just leave the nest alone until winter?
If it's out of the way, often yes. Around Hudson, nests die back after the first hard freeze in fall.
What should I do if I get stung?
An antihistamine helps with itching. 911 for trouble breathing or a swelling throat.
Is cost the main reason people leave wasp nests alone?
Not usually. More often the nest goes unnoticed or is hard to reach. A small, early nest is often cheap to remove.
Are hornets common in Hudson?
Bald-faced hornets are, in trees and on eaves.
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Sources (8)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Wasp Exterminator · Updated September 11, 2026 · How we write these guides