Carpet Beetles Vs. Bed Bugs: What’s the Difference?

When it comes to household pests, two names that often get confused are carpet beetles and bed bugs. Though they may seem similar at first glance, these tiny insects have distinctions that affect how they are identified and managed. If you’ve ever wondered about the difference between carpet beetles and bed bugs or if you’ve spotted a small striped bug in your home, keep reading to understand how to differentiate between these two common pests.

Carpet Beetles vs. Bed Bugs: Understanding the Basics

At first glance, both carpet beetles and bed bugs can appear quite similar, especially to the untrained eye. However, the key differences lie in their diet, behavior, and physical characteristics. Knowing whether you’re dealing with a carpet beetle or bed bug is crucial to effectively treating the infestation and preventing future issues.

What Do Carpet Bugs Look Like?

Carpet beetles are small insects, typically measuring ⅛–¼ inch in length. They come in various colors, but many have a distinct pattern of black, white, and yellow or orange on their oval-shaped bodies. The larvae of carpet beetles are often the most destructive stage, covered in tiny hairs and resembling fuzzy caterpillars. These larvae can be particularly harmful to fabrics, feeding on natural fibers like wool, silk, and leather. If you’ve noticed a tiny black and brown striped bug or a yellow and black striped bug in your house or business, it’s likely a carpet beetle.


Carpet beetle in Orange County residence.

What Do Bed Bugs Look Like?

Bed bugs, on the other hand, are reddish-brown, oval-shaped insects that are about the size of an apple seed. Unlike carpet beetles, bed bugs are parasites that feed on the blood of humans and animals. They are typically found in areas where people sleep, such as mattresses, box springs, and bed frames. Their flat bodies allow them to hide in tiny cracks and crevices during the day, emerging at night to feed. If you’ve encountered a tiny black bug with white stripes or black bugs in or around your bed and furniture, confirming the exact species is essential. Ensure what you’ve found isn’t a carpet beetle that looks like a bed bug or a different insect entirely.

Bed bug in Orange County residence.

What’s the Difference Between Carpet Beetles and Bed Bugs?

The difference between carpet beetles and bed bugs lies in their diet, habitat, and the damage they cause. Carpet beetles are fabric-destroying pests, while bed bugs are blood-feeding parasites. Identifying whether you’re dealing with carpet bugs vs. bed bugs will determine the appropriate treatment method. Use identification pictures of carpet beetles and bed bugs to compare the two. This can help you distinguish the two if you notice a tiny bug with stripes in your house.

Behaviors and Habitats: Carpet Bugs vs. Bed Bugs

Carpet beetles are primarily scavengers, feeding on natural fibers and plant materials. You’ll often find them in dark, undisturbed areas like closets, attics, and the folds of furniture. Adult carpet beetles are attracted to light, so you might notice them near windows or light fixtures. Carpet beetles are also known for causing damage to rugs, clothing, and other fabrics in your home. The larvae, not the adult beetles, are responsible for most of this damage. These cold-blooded insects prefer warmer weather, often hibernating in the winter.

Bed bugs, in contrast, are blood-feeding parasites. They are commonly found in bedrooms, where they can easily access a food source (you or your pets) while you sleep. Bed bugs do not fly but are excellent hitchhikers, often entering homes via luggage, used furniture, or clothing. Unlike carpet beetles, bed bugs are not affected by the winter months and are more likely to be found in clusters, especially in areas where they can easily hide and access a host.

Comparing Signs of an Infestation: Carpet Beetles or Bed Bugs?

Identifying an infestation early is crucial in managing these pests. Signs of a carpet beetle infestation include damaged fabrics, bare spots on wool products, and shed larval skins. You may also spot tiny beetles on your walls or windowsills, especially in areas with plenty of light. Pictures of carpet beetles often show their distinctive striped patterns, which can help in identification.

On the other hand, bed bugs leave behind tiny, rust-colored dots on mattresses or sheets that are a mixture of excrement and blood. You might find shed skins or tiny white eggs in the creases of your bedding or furniture. An easy way to tell carpet beetles from bed bugs is to look for bite marks on your skin, which are typically in a line or cluster.

6 Tips to Prevent and Control Carpet Beetles & Bed Bugs

Carpet beetle and bed bug infestations are particularly dangerous because of their uncanny ability to hide until the destruction is fully underway. Preventing an infestation is always better than dealing with one after it occurs. Here are some tips:

1. Vacuum Regularly:

Frequent vacuuming can remove insects, larvae, and eggs before they cause damage. Immediately after vacuuming, remove the bag or empty the collection container in a receptacle outside of your home or business. If you empty the vacuumed debris into your interior trashcan, the insects and larvae can escape the trash and reinfest your home.

2. Properly Store Fabrics:

Store clothing and fabrics in sealed containers, especially when not in use for long periods. Though carpet beetles flock to fabrics to feed, loose linens, even neatly folded, if not in a sealed container, can become a breeding ground for bed bugs as well.

3. Use Natural Deterrents:

Looking for a natural way to deter and repel carpet bugs, bed bugs, and other pests from your home? Essential oils like peppermint or clove can help repel both carpet beetles and bed bugs naturally.

4. Inspect Regularly:

Check your mattress, bed frame, and furniture for signs of bed bugs—especially after travel—and inspect window sills, carpets, and other dormant fabrics for signs of a carpet beetle infestation. These small striped bugs can become a problem before you’re aware of their existence. Partner with professional pest experts to ensure your property is inspected effectively.

5. Reduce Clutter:

All pests, including bed bugs, thrive in cluttered environments, where they can easily hide and multiply. Regularly declutter, rearrange, and clean the inside of your property to reduce the risk of an infestation taking hold.

6. Temperature Treatments:

Carpet bugs are comfortable in warmer temperatures and can be killed or forced dormant in cooler temperatures. However, bed bugs can thrive in a variety of temperatures, but they are easily eliminated with high temperatures. Washing bedding and clothing in hot water can kill bed bugs and their eggs.

Types of Carpet Beetles

There are several types of carpet beetles, each with distinct characteristics. Varied carpet beetles are known for their diverse coloration of white, yellow, and black scales. The furniture carpet beetle is commonly found in upholstery furniture, with similar coloring to the varied carpet beetle. The black carpet beetle is particularly destructive to woolen goods.

It may be easy to confuse the two because carpet beetle bugs sometimes look like bed bugs at times with similar coloring.

Personalized Pest Control in Southern California

Understanding the difference between carpet beetles and bed bugs is crucial for effective pest control. If you’re unsure whether you’re dealing with carpet beetles or bed bugs or if you’ve noticed signs of these pests in your home or business, it’s time to take action. At Preventive Pest Control, we specialize in identifying and eliminating carpet beetles, bed bugs, and other pests throughout Orange County and the Inland Empire. Our expert team is equipped to handle all your pest control needs, from termite inspection and control to removing ants, spiders, rodents, mosquitoes, cockroaches, gophers, and wasps. Don’t wait until the problem gets worse—contact us today for a thorough inspection and a customized pest control plan.