The short version
Around Ithaca, 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 Ithaca 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 hovering at a mulch bed or retaining wall gap.
- 2Grey, papery football-shaped nest hanging in a tree or eave.
- 3Sudden wasp interest in overripe fruit under a tree.
- 4Pets pawing at their face after sniffing a lawn spot.
- 5Wasps flying straight lines to and from one spot.
- 6Chewed, scarred wood on fences, decks or cedar siding.
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
Expect a pro to check eaves, vents, sheds and the ground. Multiple nests are common late in the season.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Ground and Wall-Void Nest Treatment
$150–$500
Wall-void nests behind siding get the same dust treatment. For Ithaca homes, the pro should leave the opening unsealed until all traffic stops, since trapped wasps chew inward toward living space.
- Time
- 30–60 minutes plus a return visit
- Best for
- Yellowjackets in lawns, retaining walls, soffits and wall voids
Sealing Up After the Nest Is Dead
$150–$450
This is the step homeowners skip most often. Sealing the void after treatment keeps the next colony out.
- Time
- 1–2 hours
- Best for
- Closing soffits, vents and gaps once a void nest is dead
Preventive Spring Treatment and Follow-Up
$150–$400
Prevention won't stop every nest, and no honest company in Ithaca will say it does. It cuts the odds and catches nests that start early.
- Time
- 45–90 minutes
- Best for
- Homes with repeat nests or a sting allergy in the household
Prices are typical published ranges. Ask what’s included before you compare quotes.
Yellowjackets often nest in old rodent holes and gaps in garden walls. Watch for wasps flying low and steady into one spot.Which wasps live around Ithaca.
Bald-faced hornets build big gray nests in trees and eaves. European hornets live in New York too. They're large, fly at night, and nest in hollow trees. Mud daubers build tube-shaped mud nests. They rarely sting. Paper wasps are the most common around Ithaca. They build open, umbrella-shaped combs under eaves and railings. Eastern yellowjackets nest in the ground and in wall voids. They cause most stings.
Local wasps conditions in Ithaca.
An inspection in Ithaca usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Ithaca'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 Ithaca and New York 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. Ithaca sits in a humid continental climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October). For Ithaca homes, 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.
Yellowjackets sometimes nest in attics and wall voids, getting in through a torn vent screen or a gap in the soffit. Buzzing in a ceiling is worth a look.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.
Watch for traffic in and out of gaps. A ground nest looks like wasps streaming from one hole. Homes from Ithaca out to Binghamton share the same favorite nest spots. Plenty of homes in Ithaca have basements, but most nests are higher up. Check eaves, attic vents and window frames.
A year of wasps in Ithaca.
- Late summer: peak season. Workers hunt sweets near people. - Summer: highs near 80°F in Ithaca help colonies grow fast. - Spring: queens start new nests around May. Knock down small starts. - Winter: lows near 17°F in Ithaca. Nests die; only queens survive.
Wasp, hornet or bee?
- Mud dauber: thin waist, mud tube nests. Rarely stings. - Hornet: larger, with a big closed paper nest. - Yellowjacket: bright yellow and black, nests in the ground. - Paper wasp: slim, long legs, open comb. - Honey bee: fuzzy and golden. about relocation.
If you get stung.
An antihistamine can ease itching and swelling. Wash the sting and use a cold pack. Move away from the nest first. If someone carries an epinephrine pen, use it. 911 for trouble breathing or a swollen face or throat.
Keeping wasps away from the patio.
- Spring checks: knock down small nests early. - Fruit: pick up fallen fruit. - Trash: keep lids tight and bins away from doors. - Food: cover plates and drinks outdoors. - Gaps: seal gaps after a nest is gone.
Ground nests: what to do.
Don't mow over it. Keep kids and pets away. Mark the hole with a flag. Pros treat ground nests at night, when the colony is home. Don't pour gasoline or water in.
A nest, or just visitors?
A nest shows steady traffic to one spot. Wasps on flowers or trash cans may come from far away. Follow the line back to an eave, vent, shrub or hole. Watch at dusk, when they fly home.
Treating a small nest yourself, safely.
- Never spray from a ladder. - Use a jet wasp spray from several feet away. - Wear long sleeves, pants and gloves. - Wait until dusk, when wasps are home and slow. - Never if anyone in the house is allergic. - Only if it’s small, low and out in the open. - Leave it overnight, then bag the nest.
Wasps and pets.
Most stings just swell a little. Dogs often snap at wasps and get stung on the face. Keep pet food and water bowls indoors in late summer. your vet if the throat swells or breathing changes.
Kids and wasps.
Swatting makes a sting more likely. Teach kids to walk away calmly. Use cups with lids for sweet drinks outside. Check play sets, slides and playhouses for nests each spring.
After the nest is gone.
Seal the gap a wall nest used once it's quiet. Wasps don't reuse old nests. Knock down small new nests early next spring. Check nearby eaves for new starts.
Wasps at picnics and barbecues.
- Calm: don’t swat; slowly move away. - Trash: bag scraps and close the bin. - Food: keep it covered until you eat. - Drinks: use cups with lids or straws. - Kids: teach them to walk away calmly.
Ground nests in the lawn.
Watch for wasps flying in and out of the grass. Yellowjackets often nest in old rodent holes. Mark it, and keep mowers and kids away until it's treated.
Questions to ask before you sign.
- Is removal of the dead nest included? - How will you treat a nest inside the wall? - What kind of wasp is it? - Is a return visit included?
What affects the price
- Sealing gaps after the nest is dead.
- Distance from the company's base and travel time.
- Sting allergy in the home requiring extra precautions.
- Local labor rates and seasonal demand.
- Colony size, which climbs sharply from June to September.
- Whether nest removal is included after treatment.
📊
What's your biggest concern about wasps?
When to call for help
Don't seal a hole wasps are using. They'll find another way in. Call for nests in walls, attics, the ground, or anywhere high. right away if anyone in the house is allergic.
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 Ithaca
In Ithaca's neighborhoods, eaves, decks, play sets and shrubs are favorite nest sites. Winter lows near 17°F in Ithaca end the season; only new queens survive, tucked into sheltered spots. With summer highs near 80°F in Ithaca, colonies grow fast and are biggest by August.
Local research
Wasps in Ithaca, NY: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in New York, when they are busiest around Ithaca, and what the state figures look like. Everything below links to the agency or university page it came from.
Wasp species recorded in New York
- German yellowjacket (Vespula germanica) — UC IPM: 'becoming more common in many urban areas of California, where it frequently nests in houses.' Named among Ohio's three main species (German, Eastern, Common yellowjacke…
- Eastern yellowjacket (Vespula maculifrons) — UF/IFAS lists it with the southern yellowjacket as Florida's two yellowjackets; OSU lists it for Ohio; Texas A&M notes it is 'generally found in eastern Texas'. Ground nests 9.5…
- 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 '…
When wasps are busiest around Ithaca
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 York
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; Yellowjackets and Other Social Wasps (Pest Notes); Yellowjackets and Hornets, Vespula and Dolichovespula spp. (Insecta: Hymenoptera: Vespidae); Baldfaced Hornet; European Hornet. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wasps away
- Trim shrubs so nests cannot hide near walkways.
- Walk the eaves in April and knock down starter nests.
- Check sheds and garages for nests each May.
- Inspect grills, mailboxes and light fixtures before use.
- Mow at dawn when ground-nesting wasps are sluggish.
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?
Mud daubers stock their nests with paralyzed spiders
Some paper wasps can tell their nestmates apart by their faces
Questions people ask
Will wasps come back to the same nest next year?
They don't reuse old nests. New queens often pick the same sheltered spots, though.
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 wasps damage my house?
Carpenter bees do more wood damage. Yellowjackets in walls can chew through drywall. Rarely by much.
Do wasp traps work?
They catch some yellowjackets, but rarely fix a nest problem. Place them away from where people sit.
How do I know if I have wasps, hornets or yellowjackets?
Hornets build big, gray, closed nests. Yellowjackets nest in the ground or walls. Paper wasps build open, umbrella-shaped combs.
How often should you check your property for wasp nests?
Every week or two from spring through late summer. For Ithaca homes, look under eaves, decks, sheds and play equipment, where small nests are easy to deal with.
When is wasp season in Ithaca?
Around Ithaca, queens start nests in May, and colonies peak in late summer. Nests die back after the first hard freeze in fall.
Are hornets common in Ithaca?
Bald-faced hornets are, in trees and on eaves.
Nearby cities
Related guides
Sources (9)
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