What Do Bed Bugs Look Like?

There’s a massive misconception that humans can’t see bed bugs with the naked eye. While baby bed bugs — or “nymphs” — are too small to see, you might be able to identify adult bugs if you know what you’re searching for!

This article will tell you what bed bugs look like so you know whether they have infiltrated your property. If these creatures have moved into your home or business, the next step is to contact pest control experts who can solve your bed bug problem for good!

How to Identify Bed Bugs

People often confuse bed bugs with other insects like carpet beetles. However, the former have unique characteristics that make them pretty easy to identify in some circumstances:

Small, flat bodies

Unlike some other insects, bed bugs have small, flat, oval-shaped bodies.

Wingless

Bed bugs, both adults and nymphs, don’t have any wings. Adults have wing pads, but these don’t develop into functioning wings. That means bed bugs can’t fly!

Brown bodies

Bed bugs have brown bodies that turn red after they feed.

Size of an apple seed

Adult bed bugs are usually the size of an apple seed — around 4-5 mm.

Signs of Bed Bugs

Bed bugs are always on the move, making it difficult to catch them! That’s why many people don’t realize they have an infestation problem for weeks or months. Bed bugs can multiply during that time, meaning it’s even harder to remove them from your home or business.

Even if you don’t see a bed bug with your naked eye, you might notice other signs of their presence:

Bed bug bites

Bed bugs leave red, raised, itchy bites on your skin that sometimes turn into blisters.

Droppings

You might have a bed bug infestation if you notice tiny, dark stains on your bed sheets and mattress. These stains are often bed bug droppings.

Strange smell

Bed bugs sometimes leave a musty, sweet odor around your bed and other furniture.

Blood stains

If bed bugs bite you when you sleep, you might have small blood stains on your bed sheets.

How to Tell Whether You Have Bed Bugs for Sure

Bed bugs are wingless and have small, flat brown bodies, with adult bugs about the same size as an apple seed. However, you might never encounter one of these insects because they move so quickly!

The best way to identify a bed bug problem is to work with pest control professionals like Pest Shield. Serving home and business owners in Maryland and Northern Virginia, we can determine whether you have bed bugs on your property and find the right solution to this issue.

Pest Shield is your local pest control expert for the following reasons:

  • 60 years of combined experience
  • We’ve protected military bases in Afghanistan and Iraq from dangerous pests
  • We’re certified and licensed by the Maryland and Virginia Departments of Agriculture in all pest and termite categories

Not sure whether you have a bed bug infestation? Get a FREE inspection here or call us at 301-829-0060.

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Troy replied quickly - easy to deal with and removed a significant hornet nest safely. Highly recommended.
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Troy was great in treating a yellow jacket nest in our wall. Timely, efficient, and reasonably priced. Would definitely use Pest Shield again.
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22 August 2026
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Awesome service. Large aggressive bald faced hornet nest removed. Done professionally and expeditiously.
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17 August 2026
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Troy inspected my home carefully, made a recommendation, gave me a bid and did the work competently. He explained the termite life cycle n how the pesticide treatment worked. He indicated they may swarm again but after 90 days all evidence of live termites should be gone. He explained his warranty n yearly inspection.
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6 May 2026
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Great expertise. Very professional and thorough. I would highly recommend.
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26 April 2026
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Control or Inspect for Termites I was deeply impressed by the expertise and professionalism of Troy and Jeff. They have great knowledge about the biology and behavior of termites as well as years of experience working with residential customers. They knew exactly what needed to be done, were on time, worked hard, and patiently answered any questions I had. Having them do the job gave me great confidence that my pest problem will be promptly resolved.
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25 April 2026
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Troy is the best! As realtors, we work with Pest Inspectors a LOT and have had issues with multiple companies being wrong or missing some sort of infestation. Troy is the ONLY guy we can always trust will do an amazing job. He is quick to respond and usually can get the job done very quickly! We really appreciate you!
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8 December 2025
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Look no further. They offer free initial inspections. Robert from Pest Shield came out and quickly developed a plan to solve our yellow jacket problem. His advice provided quick and complete eradication of the yellow jackets and a plan for any future concern. Pest Shield offered the honest and pressure free service we appreciate. Pest Shield is now our “go to” for any future pest control issue.
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22 September 2025
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Fast and reliable and professional service. Price was very reasonable. I would definitely recommend!
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14 September 2025
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Great service, called them about an issue I was having with yellow jackets flying in and out of the siding of my house, Troy came out the very next day and assessed the situation and got the problem fixed, he even checked in a couple days later to make sure the yellow jackets were not coming back. I would highly recommend them for the super quick service they provided and the fact that they check up on their work. Thanks again
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