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How to Detect Signs of 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 pest control professional to discuss inspection and extermination options.

More Information

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Buying a home with roaches

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We looked at one last night that we really liked; however, we saw two Raid cans in different rooms, all cabinets were open in the house, and we saw a few dead bugs which I think were roaches. Should we be concerned?

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I want to be sure that I do not take any roaches or roach eggs with me when I move. Can you tell me what I need to do in order to ensure this doesn’t happen?

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How likely is it that I will bring roaches into my home via a used sofa sleeper?

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We get these bugs — some people call them sewer roaches, and others call them water bugs. How do we get rid of them?

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