The short version
Around Richfield, 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.
Anyone in Richfield dealing with wasps, hornets or yellowjackets at home.
What to look for
Wasps defend the area around their nest. Near a door or deck, stings will happen. Late-summer colonies are big and quick to sting.
- 1Pets pawing at their face after sniffing a lawn spot.
- 2Grey, papery football-shaped nest hanging in a tree or eave.
- 3Wasps flying straight lines to and from one spot.
- 4Multiple stings on one person during a single outdoor task.
- 5Small golf-ball-sized paper nests under eaves in spring.
- 6Buzzing audible through a ceiling or wall on warm afternoons.
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
Not every buzzing insect is a wasp. Not every wasp is a threat. A careful look separates a lone paper wasp from a yellowjacket colony in Richfield.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Sealing Up After the Nest Is Dead
$150–$450
Ask the Richfield pro to wait at least a few days after a dust treatment before closing anything. Sealing too early is how most void jobs go wrong.
- Time
- 1–2 hours
- Best for
- Closing soffits, vents and gaps once a void nest is dead
Aerial Nest Treatment and Removal
$100–$400
Timing matters: Richfield pros usually treat at dusk or dawn when the whole colony is inside and sluggish. Removing the nest afterward discourages foragers from rebuilding there.
- Time
- 30–90 minutes
- Best for
- Exposed paper wasp, hornet and bald-faced hornet nests
Ground and Wall-Void Nest Treatment
$150–$500
Never seal a live void nest. Plugging the hole too early can drive wasps into the house.
- 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.
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 Richfield.
Paper wasps are the most common around Richfield. 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. Mud daubers build tube-shaped mud nests. They rarely sting.
Local wasps conditions in Richfield.
Richfield sits in a humid continental climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October). In Richfield, the area is mostly urban, 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 Richfield usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Richfield'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 Richfield and Minnesota 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.
Plenty of homes in Richfield 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 Richfield out to Bloomington and Minneapolis share the same favorite nest spots.
A year of wasps in Richfield.
- Spring: queens start new nests around May. Knock down small starts. - Summer: highs near 83°F in Richfield help colonies grow fast. - Late summer: peak season. Workers hunt sweets near people. - Winter: lows near 8°F in Richfield. 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
- Ground nest with multiple entrances or deep burrows.
- Colony size, which climbs sharply from June to September.
- Dense siding, brick or stone that limits dust access.
- 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.
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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
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 Richfield
With summer highs near 83°F in Richfield, colonies grow fast and are biggest by August. Winter lows near 8°F in Richfield end the season; only new queens survive, tucked into sheltered spots. In denser parts of Richfield, nests turn up in eaves, balconies, signs and wall gaps.
Local research
Wasps in Richfield, MN: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Minnesota, when they are busiest around Richfield, and what the state figures look like. Everything below links to the agency or university page it came from.
Wasp species recorded in Minnesota
- 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 Richfield
UMN: 'Yellowjacket populations peak during late summer'; 'Queens are the only members of the colony that survive the winter'; nests die when 'freezing temperatures (usually in the mid-to-upper 20s °F) kill the old queen and the workers'.
UMN: yellowjackets 'range from 3/8 to 5/8 inch long', baldfaced hornets 'about 7/8 inch long', paper wasps '1/2 to 1 inch long'.
Rules that apply in Minnesota
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: University of Minnesota Extension; CDC MMWR; Baldfaced 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
- Keep trash cans lidded and rinse recycling before binning.
- Mow at dawn when ground-nesting wasps are sluggish.
- Store pet food indoors and clean bowls after meals.
- Fill old rodent burrows and mulch-bed holes in spring.
- Plug weep holes with mesh inserts, not solid caulk.
- Fill gaps in retaining walls and stacked stone.
Jot down where nests turned up this year. Queens often pick the same eaves and gaps, so you'll know where to look first next spring.Did you know?
Wasp nest paper inspired early experiments in making paper from wood
Mud daubers stock their nests with paralyzed spiders
Questions people ask
Can I seal the hole wasps are using?
No. Sealing traps them inside. They may chew into your house. Treat first, then seal once activity stops.
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.
How long does wasp nest removal take?
Usually under an hour. Hidden nests may need a second visit a few days later.
Are wasps good for anything?
Yes. They eat caterpillars and other pests. Leave nests that are well away from people.
How do I find a good wasp control company?
Check that they're licensed in Minnesota. Ask how they treat hidden nests and whether removal is included.
What stops people from dealing with wasp nests?
In Richfield, fear of stings, nests that are hard to reach, and not noticing them until they're big.
How often should you check your property for wasp nests?
Every week or two from spring through late summer. In Richfield, look under eaves, decks, sheds and play equipment, where small nests are easy to deal with.
When is wasp season in Richfield?
Around Richfield, 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 Richfield?
Bald-faced hornets are, in trees and on eaves. Most stings come from yellowjackets, though.
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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