Mosquitoes are more than just an irritating presence during summer evenings—they are carriers of some of the most dangerous diseases in the world. With every buzz, the threat of malaria, dengue, or Zika lurks. In our attempts to shield ourselves from these tiny invaders, we’ve often relied on a mix of old wives’ tales and quick-fix solutions. But how many of these “remedies” actually work? It’s time to separate the facts from the fiction surrounding mosquito control myths. If you’re still holding onto citronella candles or ultrasonic devices to protect you from mosquitoes, you might want to reconsider. Let’s dive into the myths surrounding mosquito control and uncover the truth behind these persistent misconceptions.

The myth of citronella candles: A magical mosquito repellent

Myth: Citronella candles are effective mosquito repellents.

The general marketing pitch for citronella candles is that they are a natural mosquito repellent. The fragrance of citronella oil is believed to mask human odors which attract mosquitoes thus leading to the widespread belief that these candles provide protection. This is one of the most common mosquito control myths.

Fact: Citronella candles offer limited protection against mosquitoes.

Since citronella oils possess some repellency, they can provide only minimal protection in outdoor settings. Studies show that the concentration of citronella in the air around a candle is often too low to induce any substantial mosquito-repelling effect. For better mosquito control, use EPA-approved repellents containing DEET, picaridin, or oil of lemon eucalyptus.

Garlic: A kitchen remedy to repel mosquitoes?

Myth: Eating garlic or putting it around your home will prevent mosquitoes from biting.

Many people have come up with the idea of using garlic as a mosquito control solution. Some believe that the strong odor of garlic can be used as a repellent, either by consuming it or spreading it around your living space. However, this is another mosquito control myth that persists.

Fact: Garlic has no science-backed evidence of mosquito-repelling properties.

There is no scientific evidence that garlic is capable of repelling mosquitoes. Therefore, while it does make a good antibacterial agent in nature and has health benefits, it does not stop the bites. For real protection, rely on products with proven ingredients like DEET or permethrin-treated clothing.

Ultrasonic devices: The futuristic solution?

Myth: Ultrasonic devices that produce high-frequency sound will repel mosquitoes.

Many gadgets that claim to be mosquito repellers are sold based on the belief that ultrasonic waves will irritate or confuse mosquitoes and prevent them from biting. These devices are often advertised as a non-chemical, eco-friendly solution, but they are part of the widespread mosquito control myths.

Fact: Ultrasonic devices don’t work.

Studies have repeatedly revealed that ultrasonic devices do not help in mosquito control in contradiction to their claims. Mosquitoes are not troubled by the frequencies that they emit, and they also do not alter the mosquito’s behavior. In fact, many customers reported continued mosquito bites despite using such gadgets. Sticking to tested methods such as insecticide-treated nets or sprays works better.

Tiki torches: Party decor or mosquito protection?

Myth: Tiki torches repel mosquitoes at outdoor parties.

A very popular addition to backyard parties and BBQs, the tiki torches are supposedly able to keep mosquitoes at bay due to the smoke or oils burned in them.

Fact:  Tiki torches actually offer very little to no protection at all.

While the smoke from a tiki torch will affect the mosquitoes nearby, this protection zone is very limited. Relying solely on tiki torches for mosquito control is not effective, especially in larger areas. If you’re hosting an outdoor event, consider using spatial repellents or setting up fans to blow mosquitoes away.

The Color of Your Clothes: Does It Matter?

Myth: The color of your clothing doesn’t affect mosquito activity.

It is believed that mosquitoes track down their victims using blood, sweat, or carbon dioxide and that the color of their attire has nothing to do with the possibility of being bitten. However, this is yet another mosquito control myth.

Fact: Dark-colored clothing may attract mosquitoes.

Studies show that mosquitoes get attracted by dark colors such as black and navy blue. Conversely, light-colored clothing is less attractive because of the reflection of heat. Mosquitoes are attracted to sources of heat, and the less reflective the quality of your attire, the more likely you are to be bitten. Light-colored, breathable fabrics will help minimize mosquito bites, especially in places where mosquito activities are high.

Alcohol Consumption: Does It Attract Mosquitoes?

Myth: Mosquitoes are not hindered by alcohol consumption.

There is a general belief that mosquitoes bite irrespective of alcohol consumption. It is usually assumed that since mosquitoes are attracted by carbon dioxide, the consumption of beer should not increase the likelihood of its bites. Yet, this is among the more misunderstood mosquito control myths.

Fact: Drinking alcohol will make you more attractive to mosquitoes.

Studies have shown that consuming alcohol increases the body temperature and alters the composition of chemicals excreted in your sweat, making you more appealing to mosquitoes. If you’re having some beers/drinks while out in public, you might want to use extra mosquito control measures to reduce your chances of being bitten.

Plants That Repel Mosquitoes: Fact or Fiction?

Myth: Some plants, like lavender, mint, and marigold, repel mosquitoes.

It’s common to find gardening blogs and articles that claim some plants are mosquito repellents. Lavender, mint, marigold, and other fragrant plants are often mentioned as natural solutions to combat mosquitoes.

Fact: Plants alone aren’t enough to ward off mosquitoes.

While some plants do contain repellent compounds against mosquitoes, having them in your garden or house will not suffice. For the most part, such compounds are too low in concentration to be effective unless the plant’s oils are extracted and then applied directly onto the skin. For effective mosquito control, use repellents with a greater concentration of active ingredients or spatial repellents for better coverage.

Mosquitoes Are Only Active at Night: A Misconception

Myth: Mosquitoes only bite at night.

This myth likely stems from the fact that certain species of mosquitoes, such as those responsible for transmitting malaria, are more active at night.

Fact: Mosquitoes can also bite during the day.

The activity patterns of mosquitoes are always associated with the specific species. Aedes aegypti, the well-known vector for dengue as well as the Zika virus, is active in the daytime. Ensuring proper mosquito control requires precautions from mosquitoes round the clock, especially if you are living or traveling to areas susceptible to mosquito-borne diseases.

All Mosquitoes Carry Diseases: Debunking the Fear

Myth: Every mosquito bite carries the risk of transmitting a disease.
Many people believe that every mosquito bite poses a serious health risk, leading to heightened fear and anxiety about spending time outdoors. However, this is one of the more anxiety-inducing mosquito control myths.

Fact: Not all mosquitoes carry the disease.

Although there are mosquito vectors of dangerous diseases, not every mosquito bite results in disease. For instance, pathogen-carrying mosquito species are just a few in number, and transmission depends on previous interactions of mosquitoes with infected hosts. However, one still needs to be protected from bites when going to endemic areas to prevent mosquito-borne diseases.

Conclusion

Knowing the facts on mosquito control is very critical to enable you and your family to stay safe from diseases resulting from bites of mosquitoes. Many myths will always mislead you into a false sense of security, like using citronella candles, ultrasonic devices, and even garlic. Therefore, always opt for tested methods that are science-backed such as repellents approved by the EPA, insecticide-treated clothing, and maintaining a clean environment to reduce mosquito breeding grounds.

Staying informed and debunking these common mosquito control myths will help ensure better vector-borne disease control, allowing you to enjoy the outdoors with peace of mind.

At Microbe Investigations Switzerland, we help manufacturers develop and refine mosquito repellents with our expert testing services, ensuring safer and more effective protection for consumers worldwide.

Contact us today to learn more about our repellent efficacy testing services, or to schedule an appointment.