The short version
Around Cheyenne, 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 Cheyenne 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.
- 1Buzzing audible through a ceiling or wall on warm afternoons.
- 2Chewed, scarred wood on fences, decks or cedar siding.
- 3Pets pawing at their face after sniffing a lawn spot.
- 4A soft or discolored patch of drywall with faint buzzing.
- 5Wasps flying straight lines to and from one spot.
- 6Multiple stings on one person during a single outdoor task.
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
The inspection also flags anyone in the Cheyenne household with a sting allergy, which changes how and when the work gets done. Ask for photos of what was found.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Aerial Nest Treatment and Removal
$100–$400
Bald-faced hornet nests, the grey football-shaped ones, defend aggressively and are best left to a Cheyenne professional with a bee suit and a long-reach applicator. Small paper wasp combs are a simpler job.
- Time
- 30–90 minutes
- Best for
- Exposed paper wasp, hornet and bald-faced hornet nests
Sealing Up After the Nest Is Dead
$150–$450
Sealing is priced by the number and size of openings. One gap is quick; a row of open vents takes longer.
- Time
- 1–2 hours
- Best for
- Sealing the gap once the nest is dead
Ground and Wall-Void Nest Treatment
$150–$500
Yellowjackets nesting in Cheyenne lawns, retaining walls and old rodent burrows are treated by applying insecticidal dust directly into the entrance hole. Dust carries deep into the chambers as workers walk through it.
- 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 Cheyenne.
They build open, umbrella-shaped combs under eaves and railings. Western yellowjackets nest in the ground and in wall voids. They cause most stings. Bald-faced hornets build big gray nests in trees and eaves. Mud daubers build tube-shaped mud nests. They rarely sting. Paper wasps are the most common around Cheyenne.
Local wasps conditions in Cheyenne.
Cheyenne sits in a semi-arid continental climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October). For Cheyenne 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. An inspection in Cheyenne usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Cheyenne'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 Cheyenne and Wyoming 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.
An unscreened foundation vent is an easy way in for a yellowjacket queen. Wasps flying in and out of a vent all day are a sign of a nest inside.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. Plenty of homes in Cheyenne have basements, but most nests are higher up. Check eaves, attic vents and window frames.
A year of wasps in Cheyenne.
- Late summer: peak season. Workers hunt sweets near people. - Winter: lows near 16°F in Cheyenne. Nests die; only queens survive. - Spring: queens start new nests around May. Knock down small starts. - Summer: highs near 84°F in Cheyenne help colonies grow fast.
Wasp, hornet or bee?
- Hornet: larger, with a big closed paper nest. - Mud dauber: thin waist, mud tube nests. Rarely stings. - Honey bee: fuzzy and golden. about relocation. - Paper wasp: slim, long legs, open comb. - Yellowjacket: bright yellow and black, nests in the ground.
If you get stung.
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. Move away from the nest first. Wash the sting and use a cold pack.
Keeping wasps away from the patio.
- Fruit: pick up fallen fruit. - Spring checks: knock down small nests early. - Gaps: seal gaps after a nest is gone. - Food: cover plates and drinks outdoors. - Trash: keep lids tight and bins away from doors.
Ground nests: what to do.
Don't mow over it. Don't pour gasoline or water in. Pros treat ground nests at night, when the colony is home. Mark the hole with a flag. Keep kids and pets away.
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.
- 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. - Only if it’s small, low and out in the open. - Never if anyone in the house is allergic.
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.
- Trash: bag scraps and close the bin. - Calm: don’t swat; slowly move away. - Kids: teach them to walk away calmly. - Drinks: use cups with lids or straws. - Food: keep it covered until you eat.
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.
- Is removal of the dead nest included? - Is a return visit included? - What kind of wasp is it? - How will you treat a nest inside the wall?
What affects the price
- Return visit to confirm a void nest is dead.
- Distance from the company's base and travel time.
- Nest height, and whether it needs a lift.
- Species: paper wasps cost least, hornets and yellowjackets more.
- Number of nests found on the property.
- Whether nest removal is included after treatment.
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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
Big, high or hidden nests are a job for a pro. Knock it down the next day. Spray it at dusk with a wasp aerosol. A small, reachable paper wasp nest is a fair DIY job.
Wasps in Cheyenne
Winter lows near 16°F in Cheyenne end the season; only new queens survive, tucked into sheltered spots. In Cheyenne's neighborhoods, eaves, decks, play sets and shrubs are favorite nest sites. Cheyenne only gets about 15 inches of rain a year, so local wasps often gather at pools, fountains and dripping taps.
Local research
Wasps in Cheyenne, WY: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Wyoming, when they are busiest around Cheyenne, and what the state figures look like. Everything below links to the agency or university page it came from.
Wasp species recorded in Wyoming
- Western yellowjacket (Vespula pensylvanica) — UC IPM: 'the most commonly encountered species and is sometimes called the "meat bee"' in California and the Western states; ground and wall-void nester and aggressive scavenger…
- 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 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 Cheyenne
Western yellowjacket queens start nests each spring, colonies grow through summer and scavenge aggressively in fall before dying off; only fertilized queens overwinter (USU).
Bald-faced hornet range per Penn State covers most of the 48 contiguous states and D.C. Western yellowjacket is the dominant scavenging wasp of the Western states (UC IPM).
Rules that apply in Wyoming
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); Baldfaced Hornet; European Paper Wasp. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wasps away
- Hang wasp traps at the yard edge, not the patio.
- Trim shrubs so nests cannot hide near walkways.
- Repair torn window screens and door sweeps.
- Cap hollow fence posts, railings and play-set tubes.
- Cover drinks outdoors and use lidded cups for kids.
- Note where nests appeared and inspect there early next year.
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?
Fig wasps pollinate figs and are smaller than a rice grain
Some paper wasps can tell their nestmates apart by their faces
Questions people ask
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.
Are wasps dangerous to my pets?
Dogs often get stung on the face. your vet if swelling spreads or breathing changes. They can be.
Can I seal the hole wasps are using?
They may chew into your house. Treat first, then seal once activity stops. No. Sealing traps them inside.
Do wasp traps work?
They catch some yellowjackets, but rarely fix a nest problem. Place them away from where people sit.
Wasp or bee: does it matter?
Bees are fuzzy and rounder. It matters because honey bees can often be relocated. Wasps are smooth and narrow-waisted.
Is cost the main reason people leave wasp nests alone?
More often the nest goes unnoticed or is hard to reach. A small, early nest is often cheap to remove. Not usually.
Are hornets common in Cheyenne?
Bald-faced hornets are, in trees and on eaves. Most stings come from yellowjackets, though.
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