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 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.