How to Identify Bed Bugs: Top Signs You Shouldn't Ignore

Oct 14, 2025By Drew Lester
Drew Lester

Understanding Bed Bugs

Bed bugs are small, elusive insects that can become a significant nuisance in your home. Knowing how to identify these pests is the first step in addressing an infestation. Bed bugs are oval-shaped, reddish-brown, and about the size of an apple seed. However, they can be difficult to spot due to their size and nocturnal nature.

These insects are notorious for their ability to hide in crevices and cracks, making them hard to detect until the infestation becomes severe. Recognizing the signs of bed bugs early can save you from a lot of trouble and discomfort.

bed bugs

Common Signs of Bed Bug Infestation

Physical Bites

One of the most common signs of a bed bug infestation is the presence of bites on your skin. Bed bug bites are often red, itchy, and appear in clusters or lines. They can be easily mistaken for mosquito bites or other skin conditions, so it is essential to consider other signs in conjunction.

Blood Stains

Another indicator of bed bugs is small blood stains on your sheets or pillowcases. These stains result from bed bugs being crushed after feeding on your blood during the night. If you notice these marks regularly, it's time to inspect your bedding and surrounding areas.

bed bug bites

Inspecting Your Living Space

Fecal Spots and Eggshells

Bed bugs leave behind dark, rusty spots of excrement on mattresses, sheets, and walls. Additionally, you may find eggshells or shed skins in areas where bed bugs hide. These signs are a clear indication of their presence and should not be ignored.

Unpleasant Odor

A heavy infestation can lead to a musty, sweet odor in the affected area. This scent comes from the pheromones released by bed bugs. If you detect an unusual smell in your bedroom, it might be worth checking for other signs of bed bugs.

bed bug inspection

Where to Look for Bed Bugs

Common Hiding Places

Bed bugs are experts at hiding in small spaces. Begin your inspection by checking the seams of mattresses, box springs, and bed frames. They can also hide in cracks in the wall, behind wallpaper, and within furniture joints.

Using Detection Tools

If you're having trouble finding bed bugs, consider using a flashlight and magnifying glass to inspect small areas closely. Bed bug detection kits are also available, which can help confirm their presence if you're unsure.

bed bug hiding

Steps to Take if You Find Bed Bugs

If you confirm the presence of bed bugs, it's crucial to act swiftly. Start by washing all bedding and clothing in hot water and drying them on high heat. Vacuum your home thoroughly, paying special attention to cracks and crevices.

Consider reaching out to a professional pest control service for a comprehensive solution. Bed bugs are notoriously difficult to eliminate entirely without expert help, so professional intervention is often the most effective approach.