Nothing ruins outdoor dining faster than these yellow and black party crashers! Wasps have a keen sense of smell and are particularly drawn to certain foods that we humans love to eat outside.
Knowing which foods to avoid or cover properly can make the difference between a peaceful meal and a frantic retreat.
1. Ripe Fruit Slices
Juicy watermelon, sweet strawberries, and ripe peaches might be summer favourites, but they're also top of the wasp's picnic wish list. The natural sugars and strong aromas act like a dinner bell for nearby wasps. Once they've found your fruit platter, they'll keep coming back for more.
Bringing whole fruits and cutting them just before eating reduces their aromatic appeal. Keep fruit covered in sealed containers until serving time, and don't leave cut pieces exposed for long periods.
Interestingly, darker fruits like blackberries and plums tend to attract more wasps than lighter-coloured options like green grapes.
2. Sweet Fizzy Drinks
Cans of cola, lemonade, and other sugary fizzy drinks are absolute magnets for wasps. The sweet scent travels through the air, drawing wasps from surprising distances. They're particularly attracted to the sugar content and will often crawl inside unattended cans – leading to potential stings on lips or inside mouths.
Always keep drinks covered with special picnic lids or pour into cups with covers. If you must drink from cans, use a straw and check before each sip. Alternatively, opt for screw-top bottles that can be sealed between sips.
Wasps are most attracted to abandoned drinks, so don't leave half-finished beverages sitting around your picnic area.
3. Ham And Processed Meats
The strong savoury scent of ham, salami, and other cured meats is irresistible to wasps hunting for protein. Unlike bees who stick to nectar, wasps are opportunistic predators naturally drawn to meat. Your delicious sandwich filling might as well be a flashing neon sign saying 'Wasp Buffet Now Open'!
Keep meat sandwiches wrapped until the moment you're ready to eat. Using sealed containers rather than cling film provides better protection, as wasps can sometimes chew through thin plastic coverings.
If you're hosting a longer outdoor gathering, consider serving meat dishes earlier in the day when wasp activity tends to be lower.
4. Ice Cream And Frozen Treats
Nothing says summer quite like ice cream – unfortunately, wasps feel exactly the same way! The combination of sugar, dairy proteins, and fruity flavours creates an irresistible lure. Children with ice creams are particularly vulnerable to wasp attention, as they tend to eat slowly and drip sticky sweetness everywhere.
Opt for ice cream tubs with lids rather than cones when dining outdoors. Bring wet wipes to quickly clean sticky hands and faces. For children, consider pre-scooping ice cream into covered containers at home and bringing spoons.
The melted puddles of ice cream left behind attract even more wasps than the treat itself, so clean up promptly after enjoying.
5. Jam And Preserves
That pot of strawberry jam might seem innocent enough, but to wasps, it's practically shouting for attention. The concentrated fruit sugars and strong aroma make preserves particularly attractive. Even a tiny smear left on a knife or the rim of the jar is enough to bring unwanted yellow-jacketed guests.
Transfer jam into small containers with secure lids for picnics rather than bringing full jars. Apply spreads to sandwiches at home before wrapping them for transport. If you must bring jam, opt for squeeze bottles which limit exposure to air.
After using preserves, wipe the jar rim clean before resealing to prevent attracting wasps with sticky residue.
6. Ripe Bananas
Bananas seem like the perfect picnic fruit – they come in their own natural wrapper! However, once peeled, they quickly become wasp magnets. The potent aroma and high sugar content of ripe bananas are particularly attractive to wasps, even more so than many other fruits.
Bringing slightly underripe bananas to outdoor meals reduces their appeal to wasps. Eat the entire banana quickly once peeled, and dispose of the skin in a sealed bin immediately. Never leave banana peels on plates or open bins near your eating area.
Yellow jackets are especially drawn to bananas – some researchers believe the yellow colour combined with the sweet smell creates an extra-powerful attraction.
7. Sweet Pastries And Cakes
Those lovely iced buns, jam doughnuts, and cream cakes might be the highlight of your picnic spread, but they're also broadcasting a siren call to every wasp in the vicinity. The combination of sugar, fat, and often fruit makes them irresistible. Wasps can detect these sweet treats from remarkable distances.
Bring pastries in airtight containers and only reveal them when ready to eat. Consider serving less attractive alternatives like plain scones or unfrosted cakes when dining outdoors. Always keep the serving knife clean and free from sticky residue.
If you must have your sweet fix, individual portions in separate containers reduce exposure time and limit the number of wasps attracted.
8. Fruit Juices And Smoothies
The concentrated fruit sugars in juices and smoothies are like liquid gold to wasps. Unlike water, which holds little interest for them, fruit drinks emit strong aromas that wasps can detect from surprising distances. The bright colours may also visually attract them, especially orange and yellow drinks.
Always use bottles with closable caps rather than open cups when enjoying juices outdoors. Consider diluting fruit juices with water to reduce their sweetness and appeal. Spills should be cleaned immediately, as even a small puddle of juice can attract a steady stream of wasps.
Apple juice seems to be particularly attractive to wasps, while tomato juice rarely draws their attention.
9. Barbecue Sauces And Condiments
The sweet-and-tangy profile of barbecue sauce, ketchup, and similar condiments creates the perfect storm for wasp attraction. These sauces combine sugar with strong aromas that carry on the breeze. The sticky residue left on bottles and serving spoons provides perfect landing spots for curious wasps.
Portion condiments into small containers with lids rather than bringing full bottles to outdoor meals. Clean up drips and spills promptly, especially around bottle necks and caps. Consider using squeeze bottles rather than jars with wide openings that allow wasps easy access.
Surprisingly, honey mustard tends to attract more wasps than plain mustard, likely due to its higher sugar content.
10. Pet Food
Many outdoor lunches include our four-legged friends, and their food can be an unexpected wasp attractant. Both wet and dry pet foods contain proteins and fats that wasps find appealing. The strong, meaty smell of wet food is particularly attractive to these protein-hunting insects.
Feed pets indoors before heading out if possible, or bring their food in sealed containers. Never leave pet food bowls unattended during outdoor meals. If you must feed pets outdoors, choose a spot well away from your human dining area.
Clean pet food bowls immediately after use – the residue left behind can attract wasps long after the meal is finished.
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