If you have ever discovered tiny droppings inside your home, you might be wondering what they are. Are these droppings from a mouse or is it cockroach poop? In a home and business, there is no room for either of these pests. Therefore, it is imperative to determine whether pest control issue is caused by rodents, one cockroach, or insects.

Identifying cockroach feces is a process that can easily be confused with other pest poop and even for debris. Cockroach poop has been mistaken for termite frass, mouse droppings, and even plain dirt!

There is a simple test to differentiate these things from large, cockroach droppings identification nymphs droppings: the smear test. Adult cockroach droppings will leave a smudge created by the high moisture contained within them.

Cockroach Poop: Identifying Roach Droppings vs. Mouse Droppings (and others)

Cockroach droppingsMice droppings

When attempting to identify the difference between roach droppings and mouse droppings, here are some things to look for.

Cockroach feces look similar to dark rice grains, coffee grounds, or small specks of black pepper. The size of the roach poop is in direct relation to the cockroach's size.

Hence, big roaches create bigger feces. If you recognize any dark grains in cabinets, behind or underneath appliances, you might have a serious cockroach feces infestation.

Cockroach Droppings Identification

If you are trying to identify roach poop, it can sometimes be confused with rat or mouse poop. Upon closer examination, you can easily differentiate between cockroach droppings and rodent feces.

The droppings of a rat and mouse have ends that are pointed, while cockroach droppings are not.

How Do I Know If I Have A Cockroach Problem?

One sure sign of a cockroach infestation is seeing and hearing them inside your home. Another sign is hearing the noises they make as they scuttle about in the walls and the musty scent they emit. Finally, the biggest clue to their existence is the brown or black specks they leave everywhere: their feces.

One or two cockroaches can quickly become cockroach infestations because they breed quickly. The young nymphs mature sexually rapidly and, due to inbreeding, are ready to mate.

Mouse Poop vs. Cockroach Feces

The most distinguishable fact that helps one to tell the two apart is the shape. Cockroach droppings are rounded, while rat and mouse droppings ends are pointed.

The best way to describe cockroach droppings is they resemble coffee grounds or black pepper. If you notice tiny black specs or what looks like dark grains of rice in cabinet drawers or behind appliances, you likely have an infestation.

Droppings From Large Cockroaches

Large cockroach nymphs leave behind droppings that are round and small with ridges. Large adult roaches have cylinder-shaped droppings that have ridges along the sides and blunt ends.

Depending on the species, roach feces are typically black or brown. The way to separate them from mouse poop is the larger roaches' feces have ridges running along the sides resembling a fennel seed.

Does Cockroach Poop Mean You Have an Infestation?

Does Cockroach Poop Mean You Have an Infestation

The first thing to do when you see cockroach droppings is to clean it up. Doing so will help you identify if you have a full-blown infestation.

Using a carpet detergent or other cleaning detergent made from water, soap, and vinegar works best. First, use your vacuum cleaner with a HEPA filter to suck up all the poop. Next, scrub the cleaning mixture into the carpet and let it dry completely. Once it is dry, run the vacuum over the area again to suck up any remaining particles.

Always remove and throw away the gloves, work clothes, vacuum bags, and rags you used in a sealed bag.

Droppings From Small Cockroaches

Small cockroaches droppings are specs of brown or black that look like coarse coffee grounds or finely ground black pepper. The droppings of this small species also look like fecal stains that are brown or black and sometimes appear like dark ink, depending on the surface.

If you have a storage area, check any cardboard boxes for signs of more roaches by looking for more droppings inside.

German and Brown-banded cockroaches are small types of roaches. Their droppings appear as stains or tiny specks of black or brown.

Baby Cockroach Droppings

The droppings of smaller cockroaches or nymphs look similar to the adults. It is extremely small, measuring less than one millimeter long, similar to a rice grain. From afar, it appears like tiny dirt specs, dark brown, and like seeds or ground coffee.

Cockroach Poop is Associated with Cockroach Infestations

Besides the way they look, cockroaches and their poop pose serious risks to our health. A cockroach's allergens will trigger allergies and worsen asthma symptoms.

Roach feces, body parts, saliva, and cast-off skins can trigger allergies and asthma attacks. Cockroaches leave harmful pathogens, bacteria, and even parasites via their feces and fecal matter.

The food sources a cockroach eats often lie dormant in the digestive system until excreted through fecal matter.

Other Signs of Roach Infestation

Egg casings - the pill shaped capsules indicating cockroach infestation

Seeing the pill-shaped capsules, which are cockroach egg casings, is another sign of a roach infestation. The eggs might be hatching soon, evidence they have hatched is seeing aged egg cases and casings.

What Causes Roaches in a Clean House?

Roaches will go wherever water is present, it doesn't matter if your home is immaculately clean. They are attracted to moisture and water; thus, this could be why you have a problem.

In addition, tears or holes in window screens, dryer vents, and loose window seals are access points.

Where can you find cockroach droppings in your house?

Some common places you might find cockroach poop include the following:

  • Along baseboards and corners of a room.
  • Tops of shelves, doors, cabinets.
  • In closets, pantries, drawers, or other food storing places.

Do Roach Droppings Have A Smell?

Similar to other waste, roach droppings have bad smells. The odor is not only bad; it is beneficial to other roaches. Leaving a trail of pheromones to aid in finding each other.

How Many Types of Cockroaches Are There?

There are several species of roaches, from brown-banded cockroach to German cockroaches, Oriental cockroaches, and the American roach.

The larger roaches are the smoky brown cockroaches, Oriental cockroaches, and American cockroaches. Due to this species large size, their appearance is intimidating.

How can you get a disease from cockroach droppings?

How can you get a disease from cockroach droppings

Cockroach excrement and droppings are the ways these pests spread diseases. Cockroaches behave as carriers of harmful pathogens like salmonella, typhoid fever, dysentery, cholera, and diarrhea.

How to Prevent Cockroach Infestation

You can use DIY methods to prevent a cockroach infestation. Remedies such as borax, boric acid, citrus, baking soda, essential oils, and diatomaceous earth.

Other ways to get rid of roaches is using bait stations, glue traps, and liquid concentrated roach deterrent.

Cleaning Methods

Upon discovering cockroach droppings, you need to clean the area immediately. Doing so reduces or prevents allergic reactions and the spread of diseases.

Always wear appropriate cleaning gear when cleaning cockroach poop, such as rubber gloves and a ventilating mask.

To clean roach droppings, start with warm water and soap to wipe all areas you have seen cockroach poop. Besides preventing bacteria from spreading it washes the pheromones, a potential attraction to other cockroaches in the area.

Steps to Take When You Find Roach Droppings

Steps to Take When You Find Roach Droppings

Wherever you find roach droppings or dead insects, use a paper towel or disposable tissue to pick them up. Put the roach feces and deceased insects into a sealable plastic bag and dispose of them in a trash container outdoors.

When it's Time to Call a Professional Pest Control Service

A.N..T. Pest Control provides quality pest control to local homeowners and businesses. We are certified in cockroach extermination and other forms of pest removal and prevention.

When you need to get rid of cockroaches and their droppings, whether it's German cockroaches or other roaches, call us. Contact A.N.T. Pest Control at 815-215-7211, and live a life free of roaches and roach poop!

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1200 S Cedar Rd #2D/E
New Lenox, IL 60451


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