The short version
Around Gretna, queens start nests in February or March, 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 Gretna dealing with wasps, hornets or yellowjackets at home.
What to look for
Late-summer colonies are big and quick to sting. Near a door or deck, stings will happen. Wasps defend the area around their nest.
- 1Large wasps circling porch lights after dark.
- 2A soft or discolored patch of drywall with faint buzzing.
- 3Open umbrella-shaped comb under a porch ceiling or railing.
- 4Chewed, scarred wood on fences, decks or cedar siding.
- 5Yellowjackets crowding trash cans, soda cans and pet food.
- 6Wasps clustered at a hummingbird feeder or ripe grapes.
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 Gretna.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Aerial Nest Treatment and Removal
$100–$400
A treated nest should go quiet within a day. A few stragglers are normal. Ask whether removal and a follow-up check are included.
- Time
- 30–90 minutes
- Best for
- Exposed paper wasp, hornet and bald-faced hornet nests
Preventive Spring Treatment and Follow-Up
$150–$400
Preventive work makes the most sense for Gretna homes that have had nests two years running, or where someone has a sting allergy. It is a modest cost compared with a wall-void job.
- Time
- 45–90 minutes
- Best for
- Repeat nests, or someone allergic to stings
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 Gretna.
They rarely sting. Mud daubers build tube-shaped mud nests. Leave those to a pro. In mild winters around Gretna, some yellowjacket nests survive and grow huge. They're large, fly at night, and nest in hollow trees. European hornets live in Louisiana too. Bald-faced hornets build big gray nests in trees and eaves. They cause most stings. Eastern yellowjackets nest in the ground and in wall voids. They build open, umbrella-shaped combs under eaves and railings. Paper wasps are the most common around Gretna.
Local wasps conditions in Gretna.
A provider who works Gretna and Louisiana 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. Knowing Gretna'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. An inspection in Gretna usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Gretna, 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. Gretna sits in a humid subtropical climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October).
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.
Winters around Gretna are mild, so nests can last much longer. Early spring is the easiest time to remove small starts.
Where they nest around houses here.
Homes from Gretna out to New Orleans and Kenner share the same favorite nest spots. A ground nest looks like wasps streaming from one hole. Watch for wasps flying in and out of a gap. Look under railings, play sets and grills. Many homes in Gretna sit on slabs, so check eaves, the garage and patio covers first.
A year of wasps in Gretna.
- Spring: queens start new nests around February or March. Knock down small starts. - Summer: highs near 91°F in Gretna help colonies grow fast. - Late summer: peak season. Workers hunt sweets near people. - Winter: lows near 46°F in Gretna. Some nests keep going.
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
- Species: paper wasps cost least, hornets and yellowjackets more.
- Colony size, which climbs sharply from June to September.
- Sting allergy in the home requiring extra precautions.
- An open comb or a nest inside a wall.
- After-hours, weekend or emergency scheduling.
- Local labor rates and seasonal demand.
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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
A small, reachable paper wasp nest is a fair DIY job. Spray it at dusk with a wasp aerosol. Knock it down the next day. Big, high or hidden nests are a job for a pro.
Wasps in Gretna
In Gretna's neighborhoods, eaves, decks, play sets and shrubs are favorite nest sites. Winter lows near 46°F in Gretna are mild, so some yellowjacket nests survive the winter and keep growing. With summer highs near 91°F in Gretna, colonies grow fast and are biggest by August.
Local research
Wasps in Gretna, LA: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Louisiana, when they are busiest around Gretna, and what the state figures look like. Everything below links to the agency or university page it came from.
Wasp species recorded in Louisiana
- Southern yellowjacket (Vespula squamosa) — Texas A&M: 'Colonies can contain up to 4,000 workers', 'In Texas, some colonies can survive for several years and continue to grow', and southern colonies '6 ft across' have bee…
- 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 '…
- 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 Gretna
Colonies start in April–May and peak from late summer into fall; in the Gulf South some southern yellowjacket colonies survive winter and grow into multi-year 'super nests' (Clemson, Texas A&M).
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). European paper wasp is reported less common in the Southeast and Great Plains (Penn State).
Rules that apply in Louisiana
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; Southern Yellowjackets - Field Guide to Common Texas Insects; Baldfaced Hornet; European Hornet; 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
- Note where nests appeared and inspect there early next year.
- Fill gaps in retaining walls and stacked stone.
- Mow at dawn when ground-nesting wasps are sluggish.
- Repair torn window screens and door sweeps.
- Cover drinks outdoors and use lidded cups for kids.
- Trim shrubs so nests cannot hide near walkways.
A good wasp quote names the species, where the nest is, how it will be treated and whether taking it down or sealing the gap is included.Did you know?
Only newly mated queens survive the winter
Fig wasps pollinate figs and are smaller than a rice grain
Questions people ask
What should I do if I get stung?
An antihistamine helps with itching. 911 for trouble breathing or a swelling throat.
Should I be worried about a nest in the ground?
Mowing over them sets them off. Ground nests are usually yellowjackets. Yes, if it's near a path or play area.
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.
What time of day should a wasp nest be treated?
At dusk or after dark, when they're home and calm.
Do wasp traps work?
They catch some yellowjackets, but rarely fix a nest problem. Place them away from where people sit.
What's the usual way to get rid of a nest?
Around Gretna, a dust or spray into the nest opening at dusk, then removal once activity stops.
How common are wasp sightings?
Around Gretna, very common in late summer, when colonies peak and wasps go looking for sweet food.
When is wasp season in Gretna?
Mild winters let some nests keep going.
Are hornets common in Gretna?
Bald-faced hornets are, in trees and on eaves.
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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