How to Detect Signs of a Cockroach Infestation

What causes cockroaches in a house?

Cockroaches are commonly attracted to homes by food, moisture, and shelter. They seek out food sources like crumbs, uncovered food, dirty dishes, and garbage, while also being drawn to unsealed pantry items. Moisture from leaky pipes, faucets, or wet surfaces provides them with the water they need to survive. Cluttered areas and cracks in walls or doors offer shelter and hiding spots. Additionally, cockroaches thrive in warm environments, making kitchens, bathrooms, and basements particularly appealing. Reducing food sources, fixing leaks, and sealing entry points can help prevent a cockroach infestation.

Where do cockroaches hide?

Cockroaches are nocturnal insects. They prefer to live and feed in the dark, so a cockroach seen during the day is a possible sign of infestation. Cockroaches tend to prefer dark, moist places to hide and breed and can be found behind refrigerators, sinks and stoves, as well as under floor drains and inside of motors and major appliances. Because they can flatten their bodies to fit into narrow areas, cockroaches may also be found hiding beneath rubber mats, behind wallpaper and within wall cracks.

Cockroach From Above

Cockroach from Above

Cockroach Droppings

Cockroach feces will be visible during an infestation. Small roaches produce feces that resemble coffee grounds or black pepper, while larger roaches expel cylindrical droppings. The quantity of visible feces is oftentimes a good indicator of the level or duration of infestation.

Unpleasant Odors

Some species emit unpleasant smells. In the event of serious infestation, a strong oily or musty odor may be present. The bodies of dead cockroaches can also be found throughout the house.

Cockroach Eggs

Oval-shaped egg cases, known as oothecae, are sometimes visible behind furniture and in other hidden locations, such as the spaces between books.

How to Get Rid of an Infestation

If you believe that you have identified a cockroach infestation within your home, contact your local Orkin branch to discuss inspection and roach control options.

More Information

Do Cockroaches Bite?

Cockroaches do not typically bite humans, but in rare cases of severe infestations, they may bite if food is scarce.

Cockroach Feces

Cockroach droppings vary in size, with small feces resembling ground coffee and larger ones appearing as dark, ridged pellets. These droppings can spread bacteria and trigger allergies.

Cockroach Infestation in Your Apartment

Eliminating a cockroach infestation in an apartment requires cleaning, sealing food, fixing leaks, and sealing entry points. Professional pest control is often necessary for complete removal.

Resources

Protect Your Home from Cockroaches

Signs of a Cockroach Infestation | What Attracts Roaches

How do I get roaches out of my car?

Cockroaches Exterminator - How To Identify & Get Rid Of Cockroaches

Cockroach illustration

Cockroach Species, Genus & Taxonomy

Do Cockroach Bombs Work? | Cockroach Fogger Facts

What are Cockroaches' Natural Predators?

How to Distinguish Cockroaches vs. Other Pests

Boric Acid for Killing Cockroaches: Does It Work?

What Types of Cockroaches Fly? | Get Rid of Flying Roaches

Do American Cockroaches Fly? | Roaches with Wings

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