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What Do Bed Bugs Look Like?

What Are Bed Bugs?

Bed bugs are parasitic insects that feed on blood, making humans their primary target. These pests can cause itchy bites and rashes and are commonly found hiding in warm spaces like cracks and crevices in mattresses, furniture, and bedding.

Identifying bed bugs is crucial before starting treatment, as other pests that resemble bed bugs may require different methods of control. Fortunately, bed bugs are visible to the human eye.

Read our guide below to learn how to identify bed bugs, and then explore our detailed guides on finding, eliminating, and preventing bed bug infestations.

Characteristics of Bed Bugs | Size

Bed bugs are small, with their size varying by life stage:

  • Nymphs (immature bed bugs): 2–5 millimeters in length.
  • Adult bed bugs: Approximately a quarter of an inch long or about the size of an apple seed.

Characteristics of Bed Bugs | Shape

Adult bed bugs have a flat, oval-shaped body with six legs and two antennae. They do not have wings.

Characteristics of Bed Bugs | Color

The color of bed bugs changes as they develop and feed:

  • Nymphs: Translucent when unfed. After feeding, their abdomen becomes bright red and fades to brown or black as they digest.
  • Adults: Rusty red or brown.
  • Eggs: Light cream color.

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Bed Bugs - Range

Bed bugs are found across the United States, with higher concentrations in cities and travel hubs. However, they can also be found in small towns and remote areas, as they spread through luggage, clothing, furniture, and laundry.

Reproduction and Life Cycle

Bed bugs reproduce through traumatic insemination, where males pierce the female's abdomen with a specialized reproductive organ. Once fertilized, females carry viable eggs for 5–7 weeks and begin laying eggs around three days after feeding.

  • Females lay 1–12 eggs daily for up to 10 days before needing another blood meal.
  • Eggs hatch within 6–17 days, and nymphs can feed immediately.
  • Bed bugs live for 1–1.5 years, with three or more generations occurring annually.

Females deposit eggs in small cracks and crevices near bed frames, baseboards, and carpet edges, using an adhesive layer to secure them.

Stopping Reproduction and Spread

To control bed bug reproduction and limit their spread:

  • Use an Insect Growth Regulator (IGR) like Gentrol IGR to disrupt the bed bug life cycle.

Do you suspect a bed bug infestation? Learn where bed bugs hide by exploring the next page of our guide to locate them in your home. Click the arrow below to continue.

How to Check for Bed Bugs

Bed bugs are tiny pests that can squeeze into cracks as thin as a credit card, making them difficult to find and treat. Use this guide to discover the most common places bed bugs hide, then continue reading our 4-part series to learn how to eliminate and prevent bed bug infestations.

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Step1 Check Common Bed Bug Hiding Spots

Bed bugs are expert hiders, making early detection crucial to preventing a full-blown infestation. Using a flashlight and a stiff, flat-edged tool like a credit card or paint scraper, carefully inspect common hiding spots. Look for live bed bugs, eggs, fecal stains, or shed skins, paying close attention to cracks, crevices, and fabric folds. Wearing protective gloves during the inspection is recommended.

Key Areas to Check for Bed Bugs

1. Beds & Mattresses (Primary Hiding Spot)

  • Bed bugs are drawn to warmth and are most commonly found in and around beds.
  • Inspect mattress seams, tufts, and folds for signs of activity.
  • Check sheets for small blood spots left behind by feeding bed bugs.
  • Examine the headboard, bed frame, and any crevices where bed bugs might hide.

2. Upholstered Furniture & Seating Areas

  • Bed bugs often infest couches, recliners, and office chairs, especially where people sit for long periods.
  • Look between seat cushions, beneath furniture, and where fabric meets wooden or metal legs.
  • Pay close attention to seams, folds, and hidden corners where bed bugs can burrow.

3. Room Perimeter & Flooring

  • Bed bugs don’t just stay in beds; they can be found along baseboards and carpet edges.
  • Inspect cracks where walls meet the floor, behind furniture, and any dark, undisturbed spaces.

Early detection and thorough inspections are key to managing bed bug infestations before they spread. If signs of bed bugs are found, immediate action is necessary to prevent further infestation.

Step2 Inspect Less Common Bed Bug Hiding Spots

Effective bed bug treatment requires precision—knowing exactly where they are and where they aren’t. This ensures that you treat the right areas, avoid wasting chemicals, and don’t miss any lingering bed bugs that could prolong the infestation.

Before applying any treatments, use a flashlight and a flat-edged tool (like a credit card or paint scraper) to conduct a thorough inspection of all potential hiding spots.

Key Areas to Inspect for Bed Bugs

Furniture & Storage Areas

  • Check nightstands and dressers—remove and empty each drawer.
  • Inspect cracks, joints, and undersides of drawers for hidden bed bugs.

Common Hiding Spots Around the Room

  • Curtains & drapes – Look along the folds and seams.
  • Window & door frames – Check cracks and corners where bed bugs may hide.
  • Ceiling edges & corners – Especially in areas with loose paint or wallpaper.
  • Behind loose wallpaper – Peel back any loose sections and inspect behind them.
  • Behind outlet covers – Remove covers and check inside for signs of infestation.
  • Under lamps – Bed bugs may hide beneath the base or along cords.
  • Inside picture frames – Remove the backing and inspect inside the frame.
  • Inside alarm clocks & small electronics – Bed bugs are drawn to warm areas and may hide inside devices near your bed.

By methodically inspecting these areas, you can ensure that no bed bug goes undetected, leading to a more effective and efficient treatment process.

Products we recommend for Step 2

Did you find bed bugs during your inspection? Learn how to treat them yourself in the next step of our guide. Click the arrow below to access part 3 of our 4-part bed bug treatment guide.

How to Get Rid of Bed Bugs

What Does a Bed Bug Treatment Program Include?

Bed bugs are unsettling pests, but they can be eliminated with a methodical approach. Whether you’re dealing with a home or office infestation, a DIY treatment can effectively remove bed bugs while fitting your schedule and budget.

While treating bed bugs requires diligence and consistency, our 4-step guide will walk you through the process:

  1. How to Prepare a Room for Bed Bug Treatment
  2. How to Treat a Room for Bed Bugs
  3. How to Treat a Mattress for Bed Bugs
  4. How to Kill Active Bed Bugs and Repeat the Process

Before starting, ensure you’ve correctly identified bed bugs by checking our guides on what bed bugs look like and where they hide to confirm the infestation.

Step1 Preparing a Room for Bed Bug Treatment

Before starting your bed bug treatment, it's essential to prepare the affected room(s) and any adjacent rooms sharing walls with the infestation. Remove items that cannot be treated or have already been treated, and seal them in plastic bags before moving them to another area. This step helps prevent unseen bed bugs from spreading to other spaces. In apartments, bed bugs can easily travel between units, so consider seeking assistance from your landlord if the issue persists.

Take down any paintings or wall art and inspect them thoroughly to avoid transferring bed bugs to another room.

For heavily infested mattresses, cover them with a bed bug-proof mattress encasement before moving them. Additionally, protect your box spring with a box spring encasement.

If you need to dispose of an infested mattress, wrap it securely in plastic to safeguard sanitation workers and label it with "Bed Bugs" to inform others.

Wash infested sheets, linens, and garments in hot water and dry them on high heat (over 120°F), as this effectively kills bed bugs. For items that cannot be washed, consider dry-cleaning or discarding them, as insecticides are not suitable for these materials.

Step2 Treat Cracks, Crevices, and Surfaces for Bed Bugs

Certain bed bug products have limitations on where they can be used, and bed bugs can develop resistance to specific insecticides, such as pyrethroids, making them more challenging to eliminate. To achieve the best results, it's essential to use a combination of products that target bed bugs in different ways. We recommend utilizing one of our comprehensive bed bug kits, which contain a selection of our most powerful and effective treatments. These kits are designed for various applications, helping you save both time and money while ensuring thorough control.

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Step2.1 Treating the Mattress

To eliminate bed bugs from a mattress, apply an aerosol spray specifically labeled for bed bug treatment, such as Bedlam Aerosol Spray. Spray or mist the insecticide onto the mattress, focusing on the seams, tufts, and folds. Ensure the mattress is damp but not soaked, and allow it to dry completely before remaking the bed with freshly laundered sheets that have been dried on high heat.

Encasing for Prevention

After treating the mattress or box spring, encase both in bed bug-proof covers. These encasements prevent re-infestation and simplify future inspections and treatments. Ensure the treated surfaces are completely dry before encasing them. Once encased, you will not need to re-treat the mattress or box spring.

If Not Encasing

If you choose not to encase your mattress or box spring, reapply the aerosol spray every 7–10 days until no further signs of bed bug activity are detected.

Follow-Up with Insecticide Dust

Enhance the treatment by applying insecticide dust to hard-to-reach areas, such as the corners of mattresses and where mattresses meet box springs. Dusts provide long-lasting protection, often lasting several months.

Dust Application Tips:

  • Dust the box spring, including corners and crevices.
  • Remove the dust cover from the bottom of the box spring and treat hidden areas.

Encasing your mattress and box spring is highly recommended to avoid the need for repeated treatments and to provide lasting protection against bed bugs.

Products we recommend for Step 2.1

Pro Tip

High heat is effective at killing bed bugs and their eggs, but direct contact with hot steam is necessary for it to work. Using a bed bug steamer is an excellent way to treat mattresses, box springs, and furniture.

Steaming is particularly beneficial in areas where pesticide use is restricted due to health concerns or other limitations. For optimal results, move the steamer slowly across the surface being treated to ensure thorough coverage.

While steaming is effective, we strongly recommend following up with an insecticide labeled for bed bugs in areas where it is safe to do so. Perform all steaming before encasing mattresses or box springs in protective covers and before applying any insecticides. This approach ensures the most comprehensive treatment.

Step2.2 Treat the Room with Concentrated Insecticide

Once your mattress has been treated, focus on the rest of the affected room(s) and any adjoining spaces sharing walls with the infestation.

Prepare a bed bug spray by mixing an insecticide labeled for bed bug control, such as Alpine WSG or Temprid FX, with water in a pump sprayer. Follow the product label for the correct ratio. Apply the spray to baseboards, corners, door and window frames, bed frames, and under furniture. Avoid broadcasting the spray over entire carpets or floors. Allow the treated areas to dry before proceeding to the next step.

Key Areas to Target:

  • Bed and Furniture Legs: Treat wheels, casters, posts, and legs, as bed bugs often hide in these areas.
  • Carpet Edges: Spray where carpets meet baseboards to address common hiding spots.
  • Door and Window Frames: Apply the spray around frames and thresholds to prevent movement between rooms.

Reapply the spray as needed, following the product label for safe intervals between applications.

Products we recommend for Step 2.2

Pro Tip

Place bed bug traps under the legs of furniture and bed frames to catch bed bugs attempting to climb up. These traps are also useful for monitoring the infestation's progress.

Step2.3 Use Bed Bug Aerosol Sprays

After completing Step 2.2 and allowing the insecticide mixture to dry, follow up with a bed bug aerosol spray. These sprays are designed to penetrate deep into cracks and crevices, targeting areas that liquid concentrates may not reach. Combining a liquid insecticide and an aerosol spray increases effectiveness, especially against bed bugs that may have developed resistance to one product.

Bed bug aerosol sprays typically include a straw applicator, making it easier to apply in hard-to-reach areas like furniture joints, mattress seams, and small cracks. Be thorough, treating drawers, picture frames, bed frames, and any other crevices you can find. Let the treated areas dry completely before proceeding.

Key Areas to Target:

Upholstered Furniture:

Inspect and treat all furniture in the affected rooms. Pay extra attention to tufts, seams, folds, furniture legs, and dust liners. Always spot test a small area before applying to the entire piece.

Baseboards:

Apply the spray where the baseboard meets the wall, carpet, or floor, as well as any cracks. This prevents bed bugs from traveling along or beneath the baseboard to other rooms.

Entire Bed Frame:

Treat more than just the mattress. Focus on the box spring, bed frame, and headboard (especially if it is fabric-covered). Spray along seams, corners, stapled dust covers, and inside screw holes or voids.

Pictures and Wall Hangings:

Remove wall hangings, treating the back and corners of each piece. Spray any cracks or crevices in the frames or on the wall behind them. Wait for the spray to dry completely before rehanging items.

By thoroughly treating these areas, you can target hidden bed bugs effectively and prevent further spread.

Products we recommend for Step 2.3

Step2.4 Apply Bed Bug Dust for Long-Lasting Protection

After completing the insecticide spray and aerosol application, the next step in bed bug elimination is to use a bed bug dust insecticide. This powder-based product works as a slow kill, so it’s recommended to use it alongside other treatments (see Steps 2.2 and 2.3).

Apply the dust with a hand duster to reach cracks, crevices, behind wall outlet covers, and other hard-to-reach areas. While applying dust can be challenging, its long-lasting effectiveness—often lasting months or even years—makes it an essential component of bed bug control.

Key Areas to Focus on When Applying Bed Bug Dust:

Electrical Covers or Faceplates

  • Remove outlet covers or faceplates and apply dust inside the wall voids.

Baseboards

  • Dust along the edges where carpets meet baseboards, as well as in cracks and corners of the baseboards.

Mattress and Box Spring

  • Apply dust in the areas where the mattress meets the box spring, especially at the head and foot of the bed.

Headboard and Footboard

  • Detach the headboard from the wall and disassemble enough to access screw holes, crevices, and voids. Repeat the process for the footboard, if applicable.

Drawers and Furniture

  • Remove drawers from dressers, nightstands, and end tables. Dust inside corners, edges, and crevices. Don’t forget to flip the drawers and treat their undersides, as well as the undersides of furniture.

Wall Fixtures and Lamps

  • Dust the areas behind wall fixtures and beneath lamps to ensure thorough coverage.

By applying dust to these targeted areas, you can create a long-lasting barrier against bed bugs, significantly reducing the chances of reinfestation.

Products we recommend for Step 2.4

Step3 Kill Live Bed Bugs

For visible live bed bugs, we recommend using Steri-Fab, a fast-acting spray that combines a synthetic pyrethroid insecticide with isopropyl alcohol to kill bed bugs on contact. In addition to being an effective insecticide, Steri-Fab also functions as a sanitizer.

Since Steri-Fab leaves no residual effect, it can be applied almost anywhere. Shake the product well before use, then spray directly on the areas where bed bugs are present. Bed bugs will typically die within 10 minutes of application.

Step4 Consistency is Key: Repeat Your Treatment

To effectively eliminate bed bugs, it’s essential to repeat all steps in Step 2 (excluding mattress and box spring treatments if they are encased) every 7-10 days. Continue this cycle until no one in the household is experiencing bites, and there is no visible evidence of bed bugs, such as live insects, cast skins, or blood spots.

Repetition is crucial to success. Depending on the severity of the infestation, the process may take a minimum of 7-8 weeks, including multiple treatments. Skipping steps or failing to remain thorough can extend the infestation and make bed bug elimination more difficult.

Products we recommend for Step 4

Once the treatment is complete, focus on prevention to avoid future infestations. Click the arrow below to explore our Bed Bug Prevention Guide for tips on keeping your home bed bug-free.

How to Prevent Bed Bugs

Prevention is the Best Treatment

The most effective way to deal with bed bugs is to prevent them from infesting your home in the first place. Once an infestation begins, it can take weeks of treatment to fully eliminate these biting pests. Follow the six steps below to safeguard your home and stop an infestation before it starts.

Already have bed bugs? Check out our 4-step guide to eliminating bed bugs for detailed treatment instructions.

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Step1 How to Identify Bed Bugs

Understanding what bed bugs and their infestations look like is essential to avoid exposure to an active problem. While it may not always be possible to prevent a few bed bugs from entering your home, early detection can stop a small issue from escalating into a severe infestation.

Visit our Bed Bug Identification Guide to learn more.

Step2 Inspect Mattresses Regularly

When changing your bed linens, take the opportunity to inspect for signs of bed bugs. Check the sheets for insects or blood spots, and examine the mattress closely, focusing on folds, tufts, and seams. Be on the lookout for live bed bugs, feces, or cast skins.

Using a mattress and box spring cover for each bed can eliminate potential hiding spots and simplify inspections. Additionally, placing bed bug traps under each bed leg helps catch bed bugs before they climb onto furniture, making it easier to detect and address an infestation early.

Inspect Sleeping Areas When Traveling or Visiting Others

When staying in a hotel or as a guest in someone’s home, thoroughly inspect the sleeping area to avoid bringing bed bugs back with you. Check the mattress, headboard, and dresser(s) for any signs of bed bugs before placing your belongings in the room.

Pro Tip

Use Bed Bug Travel Spray

Pack a bed bug travel spray to protect your belongings if you encounter a bed bug or infestation. These sprays are not designed to treat an entire room or eradicate an infestation but can be applied to your luggage and personal items to prevent carrying bed bugs back home.

Bed bugs are drawn to warmth and blood, not dirt, but clutter provides more hiding places. They often enter homes from infested locations like hotel rooms or secondhand furniture. Preventing their entry is critical to avoiding an infestation.

For additional tips, read our guide on How to Avoid Hotel Bed Bugs to stay bed bug-free during your travels.

Step5 Steer Clear of Used or Discarded Furniture

Avoid bringing discarded furniture from the curb into your home, and exercise caution when buying secondhand items. A careful inspection of used furniture can prevent the costly and stressful ordeal of a bed bug infestation.

We strongly recommend treating any secondhand furniture with Sterifab before bringing it indoors. Sterifab not only kills bed bugs and their eggs on contact but also functions as a bactericide, germicide, and deodorizer, offering added peace of mind.

Step6 Be Proactive Against Bed Bugs!

Using bed bug traps and monitors is an excellent way to detect infestations early. Catching bed bugs quickly can save you from weeks of frustration and extensive treatment. If you spot any signs of bed bugs, begin treatment immediately, as a small infestation can rapidly grow. Check out our guide on how to get rid of bed bugs for step-by-step instructions.

We hope this guide has been helpful. If you discover bed bugs, refer to our 4-step bed bug treatment guide to learn how to safely eliminate them from your home. Not sure if bed bugs are the culprit? Read our bed bug identification guide to confirm their presence before starting treatment. Don’t forget to review our guide on where bed bugs hide to identify their common hiding spots.

If you have any questions about bed bugs or the products mentioned in this guide, contact our expert customer service team or email us for assistance.

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