Wasps at the BBQ: How to Enjoy Outdoor Meals Without the Buzz

Nothing ruins an outdoor meal faster than a squadron of yellow jackets circling the potato salad. Wasps are particularly problematic at BBQs because outdoor cooking combines every attractant wasps respond to — grilled meat, sugary drinks, sweet sauces, and fruit — all in one location. Here is how to keep wasps away and enjoy your cookout.

Why BBQs Attract Wasps

BBQs are a perfect storm of wasp attractants:

• Grilled meat: Workers hunting protein for the colony's larvae
• Sugary drinks: Soda, juice, beer, and cocktails draw sugar-seeking workers
• Condiments: Ketchup, BBQ sauce, and relish are high in sugar
• Desserts: Fruit salads, pies, watermelon, and ice cream
• Garbage: Used plates and napkins with food residue

The worst time for wasp interference is late summer and early fall, when colonies are at peak size and workers are aggressively seeking sugars. This unfortunately coincides with peak BBQ season.

Before the BBQ

Set Up Traps

Place wasp traps around the perimeter of your yard one to two days before the event. This gives the traps time to start catching foraging wasps and reducing the local population. Place traps 20 to 30 feet from the eating area to draw wasps away from guests.

Create a Decoy Station

Set up a plate of overripe fruit, a small dish of jam, or a shallow cup of sugary water at least 25 feet from your dining area. Wasps will be attracted to the concentrated sugar source and ignore your table.

Scout for Nests

Walk your yard and check for active wasp nests — under eaves, in shrubs, and look for underground nest entrances in the lawn. Dealing with nests before the event eliminates the source of most problem wasps. See how to get rid of wasps.

Natural Repellents

Apply peppermint oil spray to the dining area — table, chairs, and surrounding structures. Place small dishes of clove, lemongrass, or peppermint essential oil around the perimeter of the eating area.

During the BBQ

Food Management

• Cover everything: Use mesh food covers or aluminum foil on all serving dishes when not actively serving
• Serve indoors: If possible, keep food inside and have guests serve themselves indoors, eating outside
• Sealed beverages: Use bottles with caps, cups with lids, or cans with insect-proof covers. Never drink from an open can without checking first.
• Clean as you go: Wipe spills immediately, collect dirty plates promptly, and keep the cooking area tidy
• Covered garbage: Use a trash can with a tight-fitting lid. Do not use open garbage bags.

Guest Tips

• Ask guests to avoid wearing perfume or scented products
• Suggest light-colored clothing rather than bright florals or dark colors
• Brief guests on how to react if a wasp approaches — stay calm, do not swat
• Keep children's drinks in sealed containers

If Wasps Show Up

• Do not panic or swat — sudden movements trigger defensive responses. See why wasps sting.
• If a wasp lands on food, gently cover the dish and walk away. It will leave on its own.
• If a wasp lands on a person, stay still and wait, or gently brush it off with slow movements.
• Move the food indoors temporarily if wasp pressure becomes overwhelming.

After the BBQ

• Clean up all food immediately — do not leave anything outside overnight
• Wash down the grill and cooking surfaces
• Seal all garbage and recycling
• Rinse and clean wasp traps for reuse

When the Problem Is Persistent

If wasps consistently ruin your outdoor meals despite prevention efforts:

• There is likely a nest on or very near your property — find and address it
• Consider professional removal of nearby nests
• Implement the full set of wasp prevention tips
• For severe wasp pressure, consider a screened-in dining area or patio enclosure

For all your options, see how to get rid of wasps and natural wasp repellents.

Expert Insight

Wasps at barbecues are the number one seasonal complaint I receive from residential clients, and after 15 years as a Board Certified Entomologist, I have developed a reliable system for outdoor event protection. The key is preparation — setting up perimeter traps 24 to 48 hours before the event, keeping all food covered until serving, and having lids on all cups and cans.

Last summer, a client hosting a 50-person outdoor wedding reception called me in a panic two days before the event because yellow jackets were swarming near her patio. I set up eight sugar-baited traps around the yard perimeter, treated a small ground nest I found near the property line, and placed clove oil diffusers on the dining tables. The event went off without a single wasp incident. The traps caught over 200 yellow jackets during the 48-hour period. Planning ahead made all the difference — had she called me the day of the event, there would have been little I could do.

References and Further Reading

• NPMA - Wasp-Free Outdoor Dining — Consumer tips for managing wasp encounters during outdoor events and barbecues.
• Penn State Extension - Managing Wasps at Outdoor Events — Extension guidance on reducing wasp activity at outdoor gatherings.
• University of Kentucky Entomology - Wasp Foraging Behavior — Research on what attracts foraging wasps to human food sources.
• CDC - Outdoor Sting Prevention — CDC recommendations for preventing stinging insect encounters during outdoor activities.
• EPA - Safe Outdoor Pest Control — EPA guidance on safely managing pests in outdoor recreational settings.

Main Causes

Wasps build nests on structures because eaves, soffits, attic vents, deck rafters, wall voids, shed interiors, and dense shrubbery provide protected anchor points and easy access to forage. Queens emerging in spring seek out these locations, and a single founding queen establishes a colony that grows from a few cells in April to hundreds or thousands of workers by late summer. Indoor encounters happen when nests in wall voids or attics route through entry points, when foragers come inside through open doors and damaged screens chasing food and water, and during fall when colonies are at peak size and most defensive. Outdoor food and sweet drinks, ripening fruit, garbage, and uncovered pet food all amplify foraging pressure around occupied spaces.

How to Identify

Identify the species and locate the nest before any control action. Paper wasps build open, downward-facing umbrella-shaped combs under eaves, deck railings, playground equipment, and grill covers. Yellow jackets build enclosed papery nests in wall voids, attics, ground holes, and dense shrubs. Bald-faced hornets build large basketball-sized gray paper nests hanging from tree branches and structure corners. Mud daubers build small mud tubes on walls and ceilings and are non-aggressive. Watch returning workers at dusk to pinpoint nest entry points, especially for ground and wall-void nests that are otherwise invisible. Species, nest size, and nest location together determine whether removal is straightforward, hazardous, or requires professional intervention.

Risk and Severity

Wasp stings are painful, common, and occasionally life-threatening. Most stings produce localized pain and swelling and resolve within hours, but multiple stings or stings in someone with venom allergy can trigger anaphylaxis — a medical emergency requiring epinephrine and emergency care. Yellow jackets and hornets are particularly aggressive when nests are disturbed and can deliver dozens of stings to a single person, especially with ground-nesting yellow jackets where mowing or yard work triggers mass defensive responses. Stings inside the mouth or throat from swallowed wasps can produce dangerous airway swelling regardless of allergy status. Risk scales with nest size, nest location relative to occupied space, household members with venom allergy, and time of year — late summer is peak risk.

Solutions and Actions

Treat wasp nests at dawn or dusk when most workers are inside and least active, wearing protective clothing covering all skin, eyes, and face. For paper wasp nests in accessible locations, use a wasp and hornet jet spray rated for the species from a safe distance, then remove the dead nest material the next day to discourage rebuilding. For yellow jacket nests in wall voids, ground holes, or attics — and for any large nest with visible heavy traffic — use a licensed professional, because these nests harbor hundreds to thousands of workers and disturbing them produces mass stinging responses. Never plug a wall-void nest entry without first eliminating the colony, because trapped workers will tunnel through interior wall surfaces seeking exit.

Prevention

Prevention focuses on denying nest sites and reducing forage attractants. Inspect eaves, soffits, attic vents, deck railings, sheds, and outbuildings in early spring and brush down any starting nests while they are still small enough for a single queen to be the only occupant. Seal cracks larger than a quarter inch in siding, soffit gaps, and around utility penetrations to block wall-void access. Cover outdoor garbage cans and recycling with tight-fitting lids, keep sweet drinks and food covered during outdoor meals, and clean fruit drops from yards promptly. Maintain window and door screens and add door sweeps. Run a targeted residual treatment under eaves and along soffits in early summer where paper wasp nesting has been a recurring problem.

Frequently Asked Questions

Why are wasps so attracted to barbecues?

Barbecues offer everything foraging wasps seek — protein from meat, sugars from drinks, sauces, and fruit, and strong aromas that attract them from a distance. Late summer barbecues coincide with peak wasp colony size and the workers' shift to sugar-seeking behavior. The combination of abundant food smells and large numbers of desperate foragers creates the perfect storm for wasp encounters.

How do I keep wasps away from my outdoor food?

Keep all food covered with mesh domes or lids until serving. Use cups with lids and straws rather than open cans. Clean up spills immediately. Set out wasp traps baited with sweet liquid 20 to 30 feet from the dining area at least 24 hours before the event. Place sliced cucumbers or clove-studded citrus halves on the table as mild deterrents. Serve food indoors and eat outdoors to minimize exposed food time.

What should I do if a wasp lands on me during a barbecue?

Stay calm and still. Do not swat at the wasp — sudden movements trigger defensive stinging. Allow the wasp to investigate and fly away on its own, which it usually does within seconds. If the wasp is on your food or drink, set it down and step away. If a wasp crawls inside your clothing, press the fabric gently against your skin to prevent it from stinging, then carefully open the clothing to let it escape.

Will citronella candles keep wasps away from my barbecue?

Citronella candles provide minimal wasp deterrence. While citronella has some insect-repellent properties, it is far more effective against mosquitoes than wasps. The candles may slightly reduce wasp activity in the immediate area due to the smoke, but they are not a reliable wasp deterrent. Combining citronella with other strategies — food covers, perimeter traps, and clove oil — provides much better protection.