The short version
Around Springfield, mosquito season runs from about May through September. Treatment means removing water and treating what you can't drain. A barrier spray follows every few weeks.
- Dump standing water every week.
- Daytime biters are usually tiger mosquitoes.
- Barrier sprays last about three to four weeks.
- Larvicide handles water you can’t drain.
- Use repellent with DEET, picaridin or IR3535.
Homeowners and renters in Springfield who want their yard back.
What to look for
Often the source is a neighbor's yard or a storm drain. Mosquitoes breed in standing water, even a bottle cap's worth. In summer heat, eggs become biting adults in about a week.
- 1Whining near your ears at night indoors.
- 2Mosquitoes indoors resting on walls or in closets.
- 3A neighbor's pool turning green and untended.
- 4Wriggling larvae in birdbaths, buckets, or saucers.
- 5Swarms rising from shrubs when you brush past.
- 6Bites within minutes of stepping outside at dusk.
Why it’s worth acting soon
- Each new generation is bigger than the last.
- Bites can spread West Nile virus.
- Itchy welts, especially for kids.
- Heartworm risk for dogs.
bite, to get protein for their eggsOnly female mosquitoesUS CDC in standing water, from a bottle cap to a pondMosquitoes breedUS EPA West Nile virus is the most common mosquito-borne disease in the U.S.Mosquito diseasesUS CDC 📅
Mosquito activity through the year in Springfield
Spring
dump water and clean gutters before May.
Summer
peak season in Springfield, especially July and August.
Fall
activity fades with cooler nights.
Winter
fix drainage and store containers upside down.
Treatment options and typical costs
Property Inspection for Breeding Sites
$0–$150 (often bundled with a first treatment)
A good job starts with a walk of the whole yard. The tech looks for water that sits for days. Gutters, plant saucers, tarps, and low spots get checked first.
- Time
- 30–60 minutes
- Best for
- Every yard; finds where mosquitoes actually breed
Barrier (Residual) Yard Treatment
$75–$200 per visit; $350–$900 per season
Most programs use a pyrethroid spray from a backpack mister. It fades over three to four weeks. Repeat visits keep the coverage up through the season.
- Time
- 20–45 minutes per visit, repeated every 3–4 weeks
- Best for
- Shaded yards with shrubs, ivy, and dense landscaping
Misting Systems and In2Care-Style Stations
misting $2,000–$4,500 installed plus refills; stations $200–$500 per season
Neither option replaces the basics. Stations and misting don't replace the basics: in Springfield, containers should still be tipped and standing water treated each visit.
- Time
- Misting: half a day. Stations: under an hour.
- Best for
- Specific yards: heavy outdoor use or spray-averse owners
Monitoring and Seasonal Plans
$50–$150 per follow-up visit; $350–$900 per season bundled
Ask how they handle bites that return between visits. Many plans include a re-spray within a set number of days.
- Time
- 15–30 minutes per check; season runs spring through first frost
- Best for
- Anyone who wants the yard usable all summer
Prices are typical published ranges. Ask what’s included before you compare quotes.
A treatment visit covers the shaded plants and beds where adults rest, along with any standing water that can't be drained.How mosquito treatment works in Springfield.
First, find and remove the water where they breed. Then spray where the adults rest. Across Springfield, the season runs from about May through September, so a plan usually starts in spring and runs to the end of the season. Larvicide handles water you can't drain, like ponds or drains. Barrier spray covers shady shrubs and leaves. Treatment has two parts.
Which mosquitoes bite around Springfield.
They're black-and-white and bite by day. They breed in small containers. House mosquitoes (Culex) bite from dusk into the night. They breed in storm drains. They're the main West Nile carriers. Asian tiger mosquitoes are common around Springfield.
Mosquitoes that bite indoors usually slip in through gaps around doors or torn window screens.Mosquito season in Springfield.
Numbers usually peak in July and August. West Nile cases usually peak in late summer.
A year of mosquitoes in Springfield.
- Spring: dump water and clean gutters before May. - Summer: peak season in Springfield, especially July and August. - Fall: activity fades with cooler nights. - Winter: fix drainage and store containers upside down.
The weekly water walk.
- Saucers and pots: empty them or add sand. - Toys and buckets: store them upside down. - Tarps and covers: pull them tight so water runs off. - Birdbaths: change the water twice a week. - Pet bowls: refresh daily. - AC drip lines and downspouts: make sure water drains away. - Tree holes: fill them with sand. - Gutters: clear leaves so water drains.
Avoiding bites.
- Clothing: long sleeves and pants help at dusk. - Fans: a patio fan keeps weak-flying mosquitoes away. - Screens: repair holes in window and door screens. - Timing: tiger mosquitoes bite by day; house mosquitoes at dusk. - Repellent: DEET, picaridin, IR3535 or oil of lemon eucalyptus.
Low-cost ways to cut mosquitoes.
- Mosquito fish: they eat larvae in ornamental ponds. - Pumps and fountains: moving water breeds far fewer mosquitoes. - Trimming: thin out dense shrubs and tall grass. - Lights: yellow bug lights attract fewer insects to the porch. - Mosquito dunks: Bti tablets kill larvae in rain barrels and ponds.
Mosquito or look-alike?
- Non-biting midges: swarm near water at dusk. Harmless, just annoying. - No-see-ums: tiny biting gnats near marshes. Screens need a finer mesh. - Mosquitoes: slim, long legs, and a needle-like mouth. - Crane flies: look like giant mosquitoes. They don’t bite.
When a bite needs a doctor.
Most people infected with West Nile virus never feel sick. About one in five get a fever, headache or body aches. See a doctor for high fever, stiff neck or confusion. Spreading swelling or an infected-looking bite needs a check too. Most bites just itch for a few days.
Protecting your pets.
Heartworm reaches dogs through mosquito bites, and cats can get it as well; in Springfield the main exposure runs July through September. Talk to your vet about year-round prevention. Refresh pet water bowls daily; with about 46 inches of rain a year in Springfield, bowls and plant saucers refill themselves. Keep animals inside until a yard treatment dries.
What a treatment visit looks like.
Then they spray shady shrubs, where adults rest. Most plans repeat every three to four weeks. A visit usually takes 20 to 45 minutes. The tech walks the yard first. They dump or treat standing water. Larvicide goes in water you can't drain.
Rain barrels and ponds.
- Ponds: fish and moving water keep larvae down. - Bird baths: change the water every few days. - Gutters: clear them so water drains away. - Tarps: shake out any that hold rainwater. - Pool covers: drain standing water after rain. - Barrels: cover openings with fine mesh.
Questions to ask before you sign.
- How often will you come? - Do you treat standing water too? - What happens if bites come back between visits? - How do you protect bees and flowers? - When can kids and pets go back outside? - What product will you spray?
What affects the price
- Number of visits the local season needs.
- Commercial or multi-unit property.
- Local labor rates and licensing costs.
- Synthetic versus botanical barrier products.
- Gutter cleaning or drainage fixes bundled in.
- Lot size and total acreage treated.
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What's your biggest concern about mosquitoes?
When to call for help
Ponds, drains and dense shrubs are hard to handle yourself. early in the season, before the first big wave. Dumping water should come first. Call if bites still keep you indoors.
What you can do yourself
A pro adds larvicide for water you can't drain. They also spray where adults rest, every few weeks. The biggest win is free: dump standing water every week. Use repellent and run a fan on the patio.
Mosquitoes in Springfield
Across Springfield, most of the housing is urban, so the usual entry points, moisture spots, and sheltered areas near the structure are what an inspection checks first. Across Springfield, take a minute to note where you have seen activity and when it appears, so the inspection is faster and the quote more accurate. A local provider who knows Springfield and Missouri can point out the specific conditions that matter most here before you commit to a plan. Across Springfield, before you book, ask whether the inspection is included, what the treatment plan covers, how many visits to expect, and what the written quote includes. Across Springfield, getting the scope, the prep steps, and any follow-up terms in writing makes it much easier to compare providers fairly, and a good provider will walk you through each of these without pressure. Springfield gets about 46 inches of rain a year, so containers and low spots refill constantly through the season. Summer highs around 89°F in Springfield speed up the life cycle, and average humidity near 70% keeps adults active. In denser parts of Springfield, storm drains, catch basins and gutters are big breeding spots. Springfield has a humid continental climate, and mosquitoes activity here tends to pick up late spring through early fall; year-round in the deep south.
Local research
Mosquitoes in Springfield, MO: what the public record shows
Before you compare quotes, it helps to know which mosquitoes actually live in Missouri, when they are busiest around Springfield, and what the state figures look like. Everything below links to the agency or university page it came from.
West Nile neuroinvasive disease cases, 2024
Neuroinvasive counts are the most reliable state comparison because nearly all severe cases are diagnosed and reported.
CDCWhen mosquitoes are busiest around Springfield
CDC: West Nile transmission June through October, peaking late August to early September. Illinois found its first positive mosquito batch of 2025 on May 9, so larval control should start in May.
For context, nationally
- 1,808 — West Nile virus disease cases reported, 2024. CDC
- 1,347 (75% of cases); 173 deaths — West Nile neuroinvasive disease cases, 2024. CDC
Sources: CDC. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep mosquitoes away
- Add fish or a pump to ornamental ponds.
- Flush tree holes or fill them with sand.
- Replace corrugated downspout extensions with smooth pipe.
- Keep tarps taut so they shed water.
- Drain kiddie pools when playtime ends.
- Rake leaf litter from shaded beds.
Jot down where you found standing water and when you get bitten. It gives a pro a head start.Did you know?
Some species' eggs survive dry for months
Mosquito means little fly in Spanish
Questions people ask
Is mosquito spraying safe for pets, kids, and bees?
Keep kids and pets inside until it dries. Ask them to avoid flowers. Applied by the label, it's considered low risk once dry.
What is the difference between larvicide and barrier spray?
Barrier spray goes on leaves where adults rest. Most plans use both. It stops larvae from maturing.
What if the mosquitoes are coming from my neighbor's property?
Treat your own yard and talk to your neighbor. Your local mosquito control district or health department can also help. That's common.
When should mosquito treatments start each year?
Before the first big wave. Around Springfield, the season runs from about May through September, so start a few weeks before.
How do I choose a mosquito control company?
Ask what products they use and how often they visit. Ask what happens if bites come back. Check that they're licensed in Missouri.
What do most homeowners do about yard mosquitoes?
Across Springfield, mosquito control works by removing standing water, treating the water that cannot be drained, and applying barrier treatments where adults rest. Across Springfield, because they keep breeding through the season, an ongoing plan usually works best.
When is mosquito season in Springfield?
It runs from about May through September. Daytime biters are tiger mosquitoes; evening biters are usually house mosquitoes.
Do mosquitoes in Springfield carry West Nile?
Cases usually peak in late summer. Repellent and dumping standing water are your best protection. They can. West Nile is found in every lower-48 state, Missouri included.
Nearby cities
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Sources (11)
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 Mosquito Exterminator · Updated September 11, 2026 · How we write these guides