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Different Types of Beetles & How to Identify Them

What are the Different Types of Beetles?  

What do mysterious pinholes in wood flooring, furniture, or trim; damaged carpets and fabric; and discolored or foul smelling flour have in common? These can all be signs of a beetle infestation.

Beetles are a slightly less common household pest, but when they are present in your home, they can cause significant damage. Find out about the different types of beetles and how to identify them so you can catch a problem before it gets out of control.


Beetle Types

While there are thousands of different beetle types, only a few are likely to cause trouble inside your home:

  • Wood-boring beetles – These pests can be found throughout the United States. Wood-boring beetles are noteworthy because of the damage they cause to furniture, structural and decorative wood in and around homes and other buildings.
    • Deathwatch beetle.
    • False powderpost beetle.
    • Powderpost beetle.
  • Pantry beetles – These pests are cause for concern because of the damage they cause to stored products and packaged food. They are distributed throughout the United States and are most commonly encountered in warehouses, grocery stores, and home pantries.
    • Drugstore and cigarette beetle.
    • Warehouse beetle.
    • Sawtoothed grain beetle and merchant grain beetle.
    • Confused flour beetle and red grain flour beetle.
  • Carpet beetles – These pests can be found throughout the United States and are noted for the damage they cause to fabrics and upholstered furniture.
    • Varied carpet beetle.
    • Furniture carpet beetle.
    • Black carpet beetle.
  • Stink beetles – Unlike the brown marmorated stink bug which is found east of the Mississippi River, stink beetles are typically found in the western United States. They are ‘occasional invaders,’ infrequently wandering into homes and buildings during the summer months. Stink beetles are nuisance pests, but do not pose a threat to people or pets.

Beetle Identification

Beetles are generally identified by their hardened, shell-like bodies which appear to have a line running down their backs. They come in a wide variety of shapes, sizes, and colors. Despite its appearance, a beetle does not, in fact, have a shell. Two hardened wings create the appearance of a shell, and cause a line running down the beetle’s back where the wings meet. Determining how to identify a beetle might seem difficult because you may see the damage they are causing before you see the insects themselves.

  • Wood-boring beetles leave behind frass, or the waste they pass, which may look similar to sawdust. They also leave small, round or oval shaped exit holes where they emerge from wood.
  • Pantry beetles can cause flour to become discolored, and smell funny. They may also be seen in flour, and have a small tubular appearance.
  • Carpet beetles prefer dark, undisturbed places such as the seams of furniture, or underneath rugs and carpets — this makes it very difficult to spot the beetle, or the damage it is causing.
  • Stink beetles leave an offensive odor on items they come into contact with that may last for weeks.

Natural Pest Control and Beetle Prevention

The best way to get rid of beetles is to prevent an infestation before it begins. Knowing the signs of a beetle infestation and what they are attracted to will make it easier to prevent the problem.

Some tips include:

  1. Carefully inspecting new items and their packaging for pests before bringing anything into your home.
  2. Storing dry goods and pantry items in airtight containers.
  3. Periodic cleaning and inspection of upholstered furniture.
  4. Regular home maintenance to seal potential pest entry points.

For extra protection against beetles and other household pests, a natural repellent like Stay Away® can be used to create an invisible barrier that beetles and bugs will not cross. The scent of essential oils in Stay Away obscures any appealing aromas of food or scent trails insects may follow into your home without the use of harmful chemicals.

Shop Stay Away®

0 responses to “Different Types of Beetles & How to Identify Them”

  1. Do you know if this product has an affect on squash bugs? My entire house is covered outside and being overtaken inside! 😛

    • Hi Katherine,
      Stay Away Beetles hasn’t been tested on squash bugs, so we can’t say for certain, but they do seem similar to the types of bugs that are repelled by Stay Away. If you give it a try, please let us know how it works for you. The Farmer’s Almanac also has some helpful info for getting rid of squash bugs, although it is mostly focused on garden tips. For the outside of your home, we would suggest spray washing with soapy water to remove any bugs that are hanging around.
      Thanks for reading!

  2. Our area (central Wisconsin) seems to have a terrible time with Asian beetles…those pesky things that look like lady beetles but swarm heavily in the late summer and early fall. They swarm about the time soybean fields are cut, looking for a place to hibernate for winter. They will cling to the south sides of most buildings and the east then west as the sun moves during the day warming those sides. Many of us with older homes are subject to large numbers of them finding their way into our homes, even after extensive exterior remodeling that includes windows, doors and siding, is done. They leave horrible stains when they are crushed against anything, and give off a very offensive odor. They have no known predator. Does EarthKind have anything that can be safely used to deter the invasion?

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