How Do Bed Bugs Know You’Re There
How to Find Bed Bugs
If you have a bed bug infestation, it is best to find it early, before the infestation becomes established or spreads. Treating a minor infestation, while an inconvenience, is far less costly and easier than treating the same infestation after it becomes more widespread.
However, low-level infestations are also much more challenging to find and correctly identify. Other insects, such as carpet beetles, can be easily mistaken for bed bugs. If you misidentify a bed bug infestation, it gives the bugs more time to spread to other areas of the house or hitchhike a ride to someone else’s house to start a new infestation. Learn about identifying bed bugs.
Bites on the skin are a poor indicator of a bed bug infestation. Bed bug bites can look like bites from other insects (such as mosquitoes or chiggers), rashes (such as eczema or fungal infections), or even hives. Some people do not react to bed bug bites at all.
Looking for Signs of Bed Bugs
A more accurate way to identify a possible infestation is to look for physical signs of bed bugs. When cleaning, changing bedding, or staying away from home, look for:
- Rusty or reddish stains on bed sheets or mattresses caused by bed bugs being crushed.
- Dark spots (about this size: •), which are bed bug excrement and may bleed on the fabric like a marker would.
- Eggs and eggshells, which are tiny (about 1mm) and pale yellow skins that nymphs shed as they grow larger.
- Live bed bugs.
Where Bed Bugs Hide
When not feeding, bed bugs hide in a variety of places. Around the bed, they can be found near the piping, seams and tags of the mattress and box spring, and in cracks on the bed frame and headboard.
If the room is heavily infested, you may find bed bugs:
- In the seams of chairs and couches, between cushions, in the folds of curtains.
- In drawer joints.
- In electrical receptacles and appliances.
- Under loose wall paper and wall hangings.
- At the junction where the wall and the ceiling meet.
- Even in the head of a screw.
Bed Bugs FAQs
What are bed bugs?
Bed bugs (Cimex lectularius) are small, flat, parasitic insects that feed solely on the blood of people and animals while they sleep. Bed bugs are reddish-brown in color, wingless, range from 1mm to 7mm (roughly the size of Lincoln’s head on a penny), and can live several months without a blood meal.
Where are bed bugs found?
Bed bugs are found across the globe from North and South America, to Africa, Asia and Europe. Although the presence of bed bugs has traditionally been seen as a problem in developing countries, it has recently been spreading rapidly in parts of the United States, Canada, the United Kingdom, and other parts of Europe. Bed bugs have been found in five-star hotels and resorts and their presence is not determined by the cleanliness of the living conditions where they are found.
Bed bug infestations usually occur around or near the areas where people sleep. These areas include apartments, shelters, rooming houses, hotels, cruise ships, buses, trains, and dorm rooms. They hide during the day in places such as seams of mattresses, box springs, bed frames, headboards, dresser tables, inside cracks or crevices, behind wallpaper, or any other clutter or objects around a bed. Bed bugs have been shown to be able to travel over 100 feet in a night but tend to live within 8 feet of where people sleep.
Do bed bugs spread disease?
Bed bugs are not known to spread disease. Bed bugs can be an annoyance because their presence may cause itching and loss of sleep. Sometimes the itching can lead to excessive scratching that can sometimes increase the chance of a secondary skin infection.
What health risks do bed bugs pose?
A bed bug bite affects each person differently. Bite responses can range from an absence of any physical signs of the bite, to a small bite mark, to a serious allergic reaction. Bed bugs are not considered to be dangerous; however, an allergic reaction to several bites may need medical attention.
What are the signs and symptoms of a bed bug infestation?
One of the easiest ways to identify a bed bug infestation is by the tell-tale bite marks on the face, neck, arms, hands, or any other body parts while sleeping. However, these bite marks may take as long as 14 days to develop in some people so it is important to look for other clues when determining if bed bugs have infested an area. These signs include:
- the bed bugs’ exoskeletons after molting,
- bed bugs in the fold of mattresses and sheets,
- rusty–colored blood spots due to their blood-filled fecal material that they excrete on the mattress or nearby furniture, and
- a sweet musty odor.
How do I know if I’ve been bitten by a bed bug?
It is hard to tell if you’ve been bitten by a bed bug unless you find bed bugs or signs of infestation. When bed bugs bite, they inject an anesthetic and an anticoagulant that prevents a person from realizing they are being bitten. Most people do not realize they have been bitten until bite marks appear anywhere from one to several days after the initial bite. The bite marks are similar to that of a mosquito or a flea — a slightly swollen and red area that may itch and be irritating. The bite marks may be random or appear in a straight line. Other symptoms of bed bug bites include insomnia, anxiety, and skin problems that arise from profuse scratching of the bites.
Because bed bug bites affect everyone differently, some people may have no reaction and will not develop bite marks or any other visible signs of being bitten. Other people may be allergic to the bed bugs and can react adversely to the bites. These allergic symptoms can include enlarged bite marks, painful swellings at the bite site, and, on rare occasions, anaphylaxis.
How did I get bed bugs?
Bed bugs are experts at hiding. Their slim flat bodies allow them to fit into the smallest of spaces and stay there for long periods of time, even without a blood meal. Bed bugs are usually transported from place to place as people travel. The bed bugs travel in the seams and folds of luggage, overnight bags, folded clothes, bedding, furniture, and anywhere else where they can hide. Most people do not realize they are transporting stow-away bed bugs as they travel from location to location, infecting areas as they travel.
Who is at risk for getting bed bugs?
Everyone is at risk for getting bed bugs when visiting an infected area. However, anyone who travels frequently and shares living and sleeping quarters where other people have previously slept has a higher risk of being bitten and or spreading a bed bug infestation.
How are bed bugs treated and prevented?
Bed bug bites usually do not pose a serious medical threat. The best way to treat a bite is to avoid scratching the area and apply antiseptic creams or lotions and take an antihistamine. Bed bug infestations are commonly treated by insecticide spraying. If you suspect that you have an infestation, contact your landlord or professional pest control company that is experienced with treating bed bugs. The best way to prevent bed bugs is regular inspection for the signs of an infestation.
This information is not meant to be used for self-diagnosis or as a substitute for consultation with a health care provider. If you have any questions about the parasites described above or think that you may have a parasitic infection, consult a health care provider.
How Do You Know If You Have Bed Bugs: Major Sign of Infestation and Ways to Avoid It
Having bed bugs in your house can be a great nuisance to all family members. The fact sufficiently decreases life quality, thus it’s extremely important to spot the infestation timely and start fighting with the unwelcomed intruders.
In certain cases it can be quite difficult to tell for 100% sure your house has been infested exactly with bed bugs. The thing is that they are too often mistaken for other small insects, thus only professional experts are able to tell for certain that tiny guests inhabiting your premises are bed bugs.
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How Do You Know If You Have Bed Bugs?
The parasites as a rule are very cautious creatures.
Undoubtedly, if one observes a bed bug in his own bed or some other part of his house, he can be dead sure his relatives are somewhere around and there are a lot of them: thus, the infestation is pretty evident. But the parasites as a rule are very cautious creatures and it’s pretty unlikely to detect them during the day. Still, there are certain factors to consider that can make you quite sure about having bloodsuckers at your place.
How do you know if you have bed bugs? Among the major signs providing evidence of bloodsuckers infestation are the following:
- Fecal stainson your shits or other areas bugs live in. The stains as a rule present some blackish spots as they are the result of digested blood. If you try to wipe the stains using some wet cloth, the spots will smear. Such spots can be found in abundance on all places that be reached by the insects: walls, linen, mattresses etc.
- As the insects develop they oftenshed their shells and skin. These tiny particles can be also found on your linen or some other places like floor, mattress, and bed covers etc. As a rule house owner can find insects eggshells close to those places that they use as a shelter in your bedroom or house.
Clear evidence of unwanted bloodsucking guests presence at your place is having bites on your or your family members’
If at least one of the factors provided above is true, one can suspect having bed bugs in his house and now it’s high time to exterminate them as soon as possible!
How Do Bed Bugs Come Into Your House?
Read: Where Do Bed Bugs Come From and How to Avoid the Pests in Your Home?
There are plenty of ways the insects can get into your home and make it their home. They can be brought with old used sofas or couches, luggage or clothing infested with the insects. Quite often bed bugs are brought home after travelling or moving from house to house.
These insects feature really tiny sizes thus they can easily crawl into all the tiniest cracks and corners. After some parasites get into your premises, they will very quickly spread all over the house and rapidly multiply giving you even more trouble.
To avoid this remember these simple pieces of advice that will help you prevent infestation:
- If you are staying in a hotel or some other place for a night, check the bed you are going to sleep in. Turn the mattress upside down and look for the signs of infestation. The same way should be studied bed springs, linen and sheets. If you notice any signs of bed bugs, quickly move away.
They can be brought with old used sofas or couches.
How to Find Bugs in Your House and Kill Them?
So, if you suspect that you are suffering bed bugs, you should know the places they usually hide in order to find and exterminate them forever.
Read: How to Kill Bed Bugs Naturally: Efficient Methods and Valuable Advice
After this it’s time to examine all the items around your bed including walls, books, curtains, radios and phones, carpet and even look into electrical outlets- this might be a perfect home for the intruders.
The parasites can also attach to your clothes, thus it’s necessary to check your closet as well.
In order to exterminate the unwanted guest out of your house you should:
- Clean all the bedding and clothes in hot water and then dry them on the highest temperature possible;
- Vacuum your bedroom and everything in it as often as possible. Use brush to scrub your mattress before vacuuming;
- Get rid of all unnecessary stuff piling around your bed;
- Try to be careful when you visit unknown places and bring various things to your home. Always keep in mind the high risk of bed bugs infestation and try to avoid it.
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In this Article
In this Article
In this Article
Bedbugs are small, oval, brownish insects that live on the blood of animals or humans. Adult bedbugs have flat bodies about the size of an apple seed. After feeding, however, their bodies swell and are a reddish color.
Bedbugs do not fly, but they can move quickly over floors, walls, and ceilings. Female bedbugs may lay hundreds of eggs, each of which is about the size of a speck of dust, over a lifetime.
Immature bedbugs, called nymphs, shed their skins five times before reaching maturity and require a meal of blood before each shedding. Under favorable conditions the bugs can develop fully in as little as a month and produce three or more generations per year.
Although they are a nuisance, they are not thought to transmit diseases.
Where Bed Bugs Hide
Bedbugs may enter your home undetected through luggage, clothing, used beds and couches, and other items. Their flattened bodies make it possible for them to fit into tiny spaces, about the width of a credit card. Bedbugs do not have nests like ants or bees, but tend to live in groups in hiding places. Their initial hiding places are typically in mattresses, box springs, bed frames, and headboards where they have easy access to people to bite in the night.
Over time, however, they may scatter through the bedroom, moving into any crevice or protected location. They may also spread to nearby rooms or apartments.
Because bedbugs live solely on blood, having them in your home is not a sign of dirtiness. You are as likely to find them in immaculate homes and hotel rooms as in filthy ones.
When Bedbugs Bite
Bedbugs are active mainly at night and usually bite people while they are sleeping. They feed by piercing the skin and withdrawing blood through an elongated beak. The bugs feed from three to 10 minutes to become engorged and then crawl away unnoticed.
Most bedbug bites are painless at first, but later turn into itchy welts. Unlike flea bites that are mainly around the ankles, bedbug bites are on any area of skin exposed while sleeping. Also, the bites do not have a red spot in the center like flea bites do.
People who don’t realize they have a bedbug infestation may attribute the itching and welts to other causes, such as mosquitoes. To confirm bedbug bites, you must find and identify the bugs themselves.
Signs of Infestation
If you wake up with itchy areas you didn’t have when you went to sleep, you may have bedbugs, particularly if you got a used bed or other used furniture around the time the bites started. Other signs that you have bedbugs include:
- Blood stains on your sheets or pillowcases
- Dark or rusty spots of bedbug excrement on sheets and mattresses, bed clothes, and walls
- Bedbug fecal spots, egg shells, or shed skins in areas where bedbugs hide
- An offensive, musty odor from the bugs’ scent glands
If you suspect an infestation, remove all bedding and check it carefully for signs of the bugs or their excrement. Remove the dust cover over the bottom of the box springs and examine the seams in the wood framing. Peel back the fabric where it is stapled to the wood frame.
Also, check the area around the bed, including inside books, telephones or radios, the edge of the carpet, and even in electrical outlets. Check your closet, because bedbugs can attach to clothing. If you are uncertain about signs of bedbugs, call an exterminator, who will know what to look for.
If you find signs of infestation, begin steps to get rid of the bugs and prevent their return.
Getting rid of bedbugs begins with cleaning up the places where bedbugs live. This should include the following:
- Clean bedding, linens, curtains, and clothing in hot water and dry them on the highest dryer setting. Place stuffed animals, shoes, and other items that can’t be washed in the dryer and run on high for 30 minutes.
- Use a stiff brush to scrub mattress seams to remove bedbugs and their eggs before vacuuming.
- Vacuum your bed and surrounding area frequently. After vacuuming, immediately place the vacuum cleaner bag in a plastic bag and place in garbage can outdoors.
- Encase mattress and box springs with a tightly woven, zippered cover to keep bedbugs from entering or escaping. Bedbugs may live up to a year without feeding, so keep the cover on your mattress for at least a year to make sure all bugs in the mattress are dead.
- Repair cracks in plaster and glue down peeling wallpaper to get rid of places bedbugs can hide.
- Get rid of clutter around the bed.
If your mattress is infested, you may want to get rid of it and get a new one, but take care to rid the rest of your home of bedbugs or they will infest your new mattress.
While cleaning up infested areas will be helpful in controlling bedbugs, getting rid of them usually requires chemical treatments. Because treating your bed and bedroom with insecticides can be harmful, it is important to use products that can be used safely in bedrooms. Do not treat mattresses and bedding unless the label specifically says you can use them on bedding.
Generally it is safest and most effective to hire an experienced pest control professional for bedbug extermination.
University of Kentucky College of Agriculture: "Bed Bugs."
Ohio State University Extension Fact Sheet: "Bed Bugs."
The New York City Department of Heath and Mental Hygiene: "Stop Bed Bugs Safely."
University of Nebraska–Lincoln Extension Lancaster County: "Managing Bed Bugs."
Signs Your Room Has Bed Bugs
If there arebed bugsin your room, you might be wondering how to treat bed bug bites and eliminate the pest. And if you’re nervous about the possibility of bed bugs in your room, checking for bed bugs is easy, if you know how. Learn how to perform a DIY check today.
Can You See Bed Bugs?
Unfortunately, bed bugs can be hard to find. And despite the ongoing bed bug epidemic, many people still don’t know what a bed bug even looks like. ThisUniversity of Minnesota extension pagedoes a good job explaining the complexities of finding live bed bugs considering their changing stages of life, saying:
". eggs hatch in about six to 10 days and the newly emerged bed bug nymphs seek a blood meal. Immature nymphs molt five times (i.e., they shed their outer exoskeletons in order to grow) before reaching adulthood. They need to feed at least once before each molt, although they could feed as often as once a day. There may be three or more generations per year."
You can see pictures of bed bugs in their various stages over at theEnvironmental Protection Agency (EPA)website, but keep in mind that bed bugs are nocturnal. Identifying bed bugs during the day requires a bit of good or bad luck (depending on your view) and some persistence.
Bed bug bites are often mistaken for mosquito bites or bites from other insects, and some people show no reaction at all to bed bug bites. So it’s no wonder they go undetected for long periods.
However, if you know the right place to look, you may be able to spot bed bugs. Adult bed bugs can be seen with the naked eye—no equipment is required. Check:
- Bedside tables
- Ciling/wall junctions
- Loose wallpaper or paneling
- Wherever you find a crease or crevice near where a person sleeps. This includes baseboards, mattress seams and personal belongings
Mature bed bugs are about the size of an apple seed (approximately five millimeters). They are reddish-brown, wingless and flat, although they swell up like a torpedo after a blood feeding. When that happens, they change to bright red in color, taking days to return to reddish-brown.
Immature bed bugs are categorized by one of the five immature stages as they approach adulthood. They can also be seen by the naked eye, though the bed bugs in the youngest stage are very difficult to spot. Eggs are even smaller and much harder to see but can provide another sign of bed bug presence. Eggs are pearly white, found in clusters and are about one millimeter long.
Bed bugs congregate near where their host (human) sleeps, creating aggregations. Bed bugs from all five stages of development group together, which means they may vary in shapes and sizes. Among these groups, remains of exoskeletons (bed bug shells), feces and egg castings accumulate. A variety of conditions may cause aggregation, including specific smells, chemical stimuli, stimulation of antennae and microclimate factors such as temperature, humidity and light. Aggregations can be found around wood framing like that around a closet door, inside chipped paint indentions, around baseboards, curtain rods, air conditioners and personal belongings.
Physical Evidence in the Room
Bed bugs are smart enough to hide but not smart enough to clean up the evidence of their bloodthirsty crimes. These careless clues are the best indicator your room is overrun with bed bugs since secondary signs of bed bug infestation are visible both night and day:
- Cast/shed bed bug skins, exoskeletons or bed bug shells
- Fecal spots on your mattress and bedding
- Blood stains on your sheets and pajamas
Do you suspect bed bugs in your room? Take the sheets off your bed and look at the edges, crevices and piping of your mattress. Bed bugs are flat, almond-shaped, reddish-brown and very tiny. Look in the box spring and check for various sizes and stages, from bed bug eggs to adults. Varying size also applies to secondary signs of infestation (i.e., cast/shed skins).
Here’s a little more detail about some common signs of bed bugs:
Bed Bug Shells or Molted Skins
Look out for empty shells that may exist where bed bugs aggregate and feed. Bed bugs grow with each blood meal on the way to maturity. In doing so, they shed their exoskeletons or shells in order to grow larger. This process is called molting. Each bed bug will molt five times as they progress through each of the five immature stages. Where infestations grow large, there will be hundreds if not thousands of molted skins left behind, regardless of the duration of the infestation. The shells look like the bed bug itself but are translucent. They are different sizes due to the different life stages.
Signs of bed bugs include liquid waste, which is found wherever they go. Bed bug fecal spots differ from blood stains. Asbedbugs.netpoints out:
"Because bed bugs generally feast on the blood of their hosts, creeping out of hiding places at night to latch on, some people think that fecal stains from the insects should at least be tinged with the color of blood. This is not, in fact, the case. Fecal spotting tends to resemble smears or stains, which are dark brown or even black. This is because the blood has been digested and excreted."
Bed bugs are ectoparasites, meaning they live on the outside of their host and feed on its blood. They feed between five to seven days whenever a host is present.
Here’s how to perform a DIY bed bug check. You will quickly learn how to tell if your home has been invaded and how to treat bed bug bites if you have them. Once you confirm the infestation has begun, remember that the main goal is to end it even quicker.
Signs of Symptoms of a Bed Bug Bite
The most telltale sign of a bed bug problem isn’t the bed bug’s bite. As theUnited States Environmental Protection Agencypoints out:
"Bites on the skin are a poor indicator of a bed bug infestation. Bed bug bites can look like bites from other insects (such as mosquitoes or chiggers), rashes (such as eczema or fungal infections) or even hives. Some people do not react to bed bug bites at all."
The percentage of people who do not react to bed bug bites is commonly stated as70%, but a lengthy discussion as to why this is wrong rages on. The new evidence implies that "repeated exposure" to bed bug bites is the key to whether or not you react to the anesthetic in the bed bug’s saliva. In other words, if you have bed bug bites, treatment requires more than just stopping the itching. You have to get rid of the infestation as well.
Look for these signs of symptoms of a bed bug bite:
- Raised, red welts
- Burning and itching
- Bed bug bite rash across localized area
- Straight lines of multiple bites
Check out thesepicturesof bed bug bites from American Family Physician, showing the characteristic wheals (temporary raised, red, itchy welts) and clusters associated with the aftermath of a feeding.
How to Treat Bed Bug Bites
Now that you know the signs of a bed bug infestation, here’s how to get rid of bed bug bites. TheAmerican Academy of Dermatologyrecommends you see a dermatologist if you have multiple bites, blisters, oozing, pus or any other signs of a severe allergic reaction or infection. Otherwise, their recommended bed bug bite treatment is:
"Wash the bites with soap and water. This will help prevent a skin infection and help reduce itchiness. If the bites itch, apply a corticosteroid cream to the bites. You can get a weak form of this medicine without a prescription at your local drugstore. Stronger corticosteroids require a prescription."
How to Get Rid of Bed Bugs
Bed bugs are very difficult to get rid of. They typically require a strategic approach to using multiple methods to fully remove them from your home once they have established an infestation. That’s why it’s important to contact a professional who’s knowledgeable and trained in bed bug control to inspect your home and determine the best treatment methods.