What Is The Main Cause Of Bed Bugs?

Bed bugs are nocturnal insects that feed on the blood of both humans and animals. They have become a widespread problem in homes all over the world to the point where they are considered a nuisance.

In recent years, there has been a revival in the number of bed bug infestations, which has led to an increase in worry as well as a growing demand for efficient control measures. To effectively manage and avoid bed bugs, it is essential to have a solid understanding of their primary causes. 

white pillows and bed comforter

We investigate the elements that contribute to the proliferation of bed bugs in this article. We also investigate the resilient character of bed bugs, the usual hiding places they use, and the methods by which they might invade houses.

To safeguard their living spaces and avoid the uncomfortable presence of these hardy pests, folks can take preventative measures by getting an understanding of the major factors that lead to bed bug infestations and then taking the necessary precautions.

What Are Bed Bugs?

Bed bugs are microscopic insects that do not have wings and belong to the family Cimicidae. The species that infests human homes the most frequently is called Cimex lectularius, which is the scientific name for the type of bed bug.

Nighttime parasites use the blood of warm-blooded animals, most commonly humans, as their primary source of nutrition. In general, bed bugs have a reddish-brown colouration and are around the size of an apple seed.

Their bodies are flat and oval, which enables them to conceal themselves readily in cracks, crevices, and bedding. The bites of these insects can cause itching and discomfort, even though they do not carry any diseases. 

Bed bugs are notorious for their capacity to withstand and adjust to new environments, which makes them a difficult nuisance to put under control. It is common for them to spread through human activities and shared locations since they are accomplished, hitchhikers.

Understanding the behaviour of bed bugs, as well as their habitats and the most efficient methods for controlling them, has become increasingly important in recent years due to the recurrence of bed bug infestations.

What Is The Main Cause Of Bed Bugs?

The capacity of bed bugs to hitchhike and transfer from one place to another is their primary cause. Because of their remarkable adaptability, bed bugs may survive in a wide variety of habitats, and people are their principal vector for dispersal. Infestations caused by bed bugs typically result from:


  • Travel and Transportation: Bed bugs often travel by hitching rides on luggage, clothing, and other personal belongings. Infested spaces such as hotels, public transportation, and even shared accommodations create opportunities for these pests to move from one location to another.


  • Used Furniture and Items: Secondhand furniture, especially mattresses and upholstered items, can harbour bed bugs. Bringing infested items into a new space without proper inspection and treatment can lead to an infestation.


  • Visitors and Guests: Guests or visitors unknowingly carrying bed bugs may introduce them to a home. Social gatherings, sleepovers, or visits to infested areas can facilitate the spread of bed bugs.


  • Multi-Unit Dwellings: Apartment buildings, condominiums, and other multi-unit dwellings provide favourable conditions for bed bugs to move between units. Shared walls, vents, and common areas create pathways for infestations to spread.


  • Clothing and Laundry: Bed bugs can cling to clothing, especially in crowded spaces like public transportation or laundromats. Infestations can occur if contaminated clothing is brought into a home.


  • Infested Surroundings: Living in or visiting places with existing bed bug infestations increases the risk of bringing these pests home. High-traffic areas, such as hotels, theatres, and public transportation, are common sources.


  • Lack of Awareness: Insufficient knowledge about bed bugs and their behaviour may contribute to the spread of infestations. Failing to recognize the signs or taking preventive measures can allow bed bugs to proliferate.


Individuals can take proactive steps to avoid and control bed bug infestations by understanding these factors. To lessen the impact of these enduring pests, it is vital to conduct regular inspections, practice good cleanliness, and be aware of potential risk factors.

What Scents Attract Bed Bugs?

Even while bed bugs don’t have a particular taste in perfumes, certain aromas do seem to entice them.

Please be aware that although these aromas may pique the attention of bed bugs, they are by no means guaranteed attractants, and that the presence of hosts, whether human or animal, is usually the main element that draws bed bugs. But if you’re still worried about bed bugs, try avoiding these scents:


  • Carbon Dioxide: Bed bugs are attracted to the carbon dioxide that humans and animals exhale. They use this as a primary cue to locate potential blood hosts.


  • Body Odour: Sweat and body odours can attract bed bugs. The scent of human perspiration contains chemical compounds that bed bugs find appealing.


  • Heat: Bed bugs are drawn to warmth, as it signifies the presence of a potential blood meal. The heat emanating from the human body is a significant attractant.


  • Lactic Acid: The scent of lactic acid, found in sweat, is another factor that can attract bed bugs. Bed bugs are known to be attracted to the chemical composition of human sweat.


  • Pheromones: Bed bugs release pheromones to communicate with each other. These chemical signals can attract other bed bugs to a particular location.


  • Dirty Laundry: Used clothing, especially if it carries the scent of sweat or body odours, can attract bed bugs. They may be drawn to laundry piles or bags containing worn clothes.


Note that although odours can play a role in luring bed bugs, their main strategy is to detect the heat and carbon dioxide given off by possible hosts. Also, it’s not a good idea to rely on aromas as your only tool in stopping bed bugs.

A thorough strategy should be centred on control and preventative measures, including routine inspections, good cleanliness, and, if required, interventions from expert pest management services.


Bed bugs are drawn to substances that are connected with their human hosts, including carbon dioxide, body odours, heat, and certain compounds like lactic acid and pheromones. Bed bugs are also attracted to the heat.

Even though these odours may play a part in attracting bed bugs, it is essential to be aware that the primary method by which bed bugs are detected is through the heat and exhaled carbon dioxide that is generated by possible blood hosts.

The prevention and management of bed bug infestations calls for an approach that incorporates multiple strategies. A straightforward dependence on odours as a means of deterrence or attraction is not a comprehensive option.

At the same time, individuals ought to concentrate on taking preventative steps, such as conducting routine inspections of their living areas, maintaining appropriate hygiene standards, and being aware of potential risk factors.

It is possible to reduce the likelihood of bed bug infestations by avoiding the introduction of infested objects, developing and maintaining healthy laundry routines, and exercising caution in areas that are shared by multiple people.

It is recommended that professional pest control services be sought out in situations when infestations are suspected or identified because of their presence. Because bed bugs are hardy pests, successful management frequently necessitates the implementation of tailored treatments to eradicate them from the environment.

Individuals can better defend themselves and their living spaces from these tenacious and undesirable insects by first gaining an awareness of the elements that attract bed bugs and then taking preventative actions.

For more information, read this guide “bed bugs: how to get rid of them”.


Leave a Reply

Your email address will not be published. Required fields are marked *