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How to Know If Your Rental Unit Has Bed Bug Activity

How to Know If Your Rental Unit Has Bed Bug Activity

pest pro exterminator bed bug control in calgary

Bed bugs are sneaky pests that can infest homes, apartments, and rental units, turning a comfortable living space into an itchy nightmare. If you're a renter, it's crucial to be vigilant about identifying bed bug activity early. Catching an infestation quickly can save you a lot of hassle, discomfort, and potential financial burden.

Here’s your guide to knowing if your rental unit has bed bug activity:

1. The Obvious Sign: Seeing the Bugs Themselves

While bed bugs are excellent at hiding, sometimes you might spot them with the naked eye.

  • Appearance: Adult bed bugs are small (about the size of an apple seed), reddish-brown, and oval-shaped. They become more engorged and reddish after feeding. Nymphs (young bed bugs) are smaller and translucent or yellowish-white.

  • Where to Look:

    • Mattress and Box Spring: This is their prime real estate. Check along the seams, tags, and piping of your mattress and box spring.

    • Bed Frame and Headboard: Inspect cracks, crevices, and joints of your bed frame and the back of your headboard.

    • Nearby Furniture: Expand your search to nightstands, dressers, and even upholstered chairs or sofas near the bed.

    • Walls and Baseboards: Look behind peeling wallpaper, cracks in plaster, and along baseboards.

    • Electrical Outlets: Yes, they can even hide in these tiny spaces!

2. Tell-Tale Signs on Your Body: Bites

Bed bug bites are often the first indicator for many people.

  • Appearance: Bites typically appear as small, red, itchy welts. They might resemble mosquito or flea bites.

  • Pattern: Bed bug bites often appear in a line or cluster, sometimes referred to as a "breakfast, lunch, and dinner" pattern, as they feed sequentially.

  • Location: Bites commonly occur on exposed skin areas while sleeping, such as the face, neck, arms, and legs.

  • Itchiness: The bites can be intensely itchy, leading to scratching and potential skin irritation or secondary infections.

3. Visual Clues Around Your Bed: Fecal Spots, Blood Stains, and Shed Skins

Even if you don't see the bugs, their activities leave behind characteristic traces.

  • Fecal Spots: These are tiny, dark spots (like specks of ground pepper or dried blood) that bed bugs excrete after a blood meal. You'll often find them on your sheets, mattress, bed frame, or nearby walls. If you wipe them with a damp cloth, they will smudge.

  • Blood Stains: Small, rusty or reddish stains on your sheets or pillowcases can indicate that you crushed a engorged bed bug in your sleep, or they were simply dripping blood after feeding.

  • Shed Skins (Exoskeletons): As bed bugs grow, they shed their outer shells (exoskeletons) five times before reaching adulthood. These shed skins are translucent, hollow, and often found in their hiding spots. They look like tiny, empty versions of the bed bugs themselves.

  • Eggs: Bed bug eggs are tiny (about 1mm), pearly white, and often laid in clusters in crevices. They can be very difficult to spot without close inspection.

4. The Distinctive (but faint) Odor

In severe infestations, some people report a sweet, musty odor, often compared to the smell of rotten raspberries or cilantro. This scent comes from the bed bugs' scent glands. However, this odor is usually only detectable in heavy infestations, so don't rely on it as an early warning sign.

What to Do If You Suspect Bed Bugs:

  1. Document Everything: Take photos of any bites, bugs, fecal spots, or shed skins you find.

  2. Notify Your Landlord Immediately: Most leases stipulate that landlords are responsible for pest control. Timely notification is crucial.

  3. Avoid Self-Treating (Initially): While tempting, DIY solutions are often ineffective and can spread the infestation to other parts of your unit or even other units in the building.

  4. Prepare for Treatment: If a professional exterminator is called, they will likely provide you with instructions for preparing your unit (e.g., washing all bedding, decluttering).

Staying informed and regularly inspecting your rental unit, especially after moving in, traveling, or having guests, is your best defense against a bed bug invasion. Early detection is key to a faster and more effective resolution!


Pest Pro Exterminator offers a bed bug control in Calgary and surrounding areas.

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