Cockroaches

If you are wondering how to get rid of roaches infesting your home or place of business, call the pest control experts with Sentinel today to schedule your FREE site inspection! We are here  to answer your questions and point you in the right direction.

We’re here to help: (253) 538-2576

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Cockroach infestations common to Puget Sound.

In the Pacific Northwest there are four cockroach species that may be encountered in structures. Each of these species prefers different areas in which to live and hide. Because various combinations of species can be encountered at the same time, it is essential to accurately identify the species before starting control methods. The American Cockroach, German cockroach, brownbanded cockroach and the Oriental cockroach can all be found infesting homes and business in our region. Let Sentinel Pest Control provide you with a free inspection that is scheduled at your convenience.

American Cockroach. The American cockroach, Periplaneta americana, is the largest of the four species. The adult is 1 ½ inches long, reddish-brown to brown, with a light yellow or tan band around the edge of the shield behind the head. Both sexes have well-developed wings and can fly, although they seldom do. The wings of the male extend slightly beyond the tip of the abdomen, while those of the female do not. The American cockroach is rare in Washington State, and most infestations are brought in with produce or in the furniture of persons moving from warmer climates. When established, this species prefers warm moist environments.

German Cockroach. The German cockroach, Blattella germanica, is the most commonly encountered cockroach in apartments, restaurants, hospitals, or other buildings in which food is stored, prepared, or served throughout the Pacific Northwest. The adult is ½ inch long, pale brown, with two dark brown lengthwise stripes on the shield behind the head. Adults are fully winged but rarely fly. Under ideal conditions, adults live up to 12 months. A female produces eight egg cases during her lifetime, each case containing 30 to 48 eggs, allowing this cockroach to multiply more quickly than any of the other cockroaches found in Washington. Because the German cockroach produces more eggs and has more generations per year (3-4) than other local species, a troublesome infestation can rapidly develop after only a few individuals are introduced.

Brownbanded Cockroach. The adult brownbanded cockroach, Supella longipalpa, looks almost identical to the German cockroach, but it lacks the distinctive dark brown lengthwise stripes on the shield behind the head. The wings of the male completely cover the abdomen, whereas the wings of the female are short and never cover all of the abdomen. The female’s abdomen is much broader and more rounded than the male’s. These roaches are very active and the adults jump when disturbed. Only the males can fly. Adults will live anywhere from 3 – 11 months. Brownbanded roaches are more likely to be found in private residences than in commercial buildings, and are more common in eastern Washington than western Washington. These roaches will infest any room, while German roaches prefer kitchens and bathrooms.

Oriental Cockroach. The oriental cockroach, Blatta orientalis, is uniformly glossy and dark brown to black as an adult. The female is 1 ¼ inches long, with a broad abdomen and stubby wings. The male is 1 inch long, slender, and has wings that cover two-thirds of the upper abdomen. Neither sex will fly or even run very quickly when disturbed. Adults will live anywhere from 1 – 6 months.

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How did I get roaches?

Cockroaches are commonly introduced into buildings with groceries (especially bagged potatoes and onions), beverage cartons and cases, and used furniture and appliances. Adults may also migrate from other nearby infested dwellings. In this area, most migration occurs along plumbing, electrical wires, utility tunnels or between apartments.
Public Health Significance! Cockroaches are commonly associated with unsanitary conditions. They may be found breeding in garbage storage, sewage systems and septic tanks. Roaches prefer warm environments and are usually most active at night. Cockroach feces, saliva, and body parts carry allergens that can cause allergic reactions or trigger asthma symptoms. They have also been known to passively transport pathogens including E. coli and Salmonella to humans.

How do I get rid of roaches?

Effective cockroach control comes as the result of cooperation between you and Sentinel Pest Control. Infestations are best reduced by the proper combination of insecticide application (Sentinel) and environmental manipulation (You). Two things are essential to support thriving cockroach infestations, hiding places and poor sanitation. If roaches are deprived of harborage (hiding places), their numbers will be reduced and control is more easily achieved. If they are deprived of food and water (through good sanitation) roaches can’t survive for long.

To reduce harborage inside a home or business, patch the cracks in walls, floors, ceilings, and behind and under kitchen cabinets. Seal openings around plumbing fixtures, furnace flues, electrical outlets, between window sills and walls, and along baseboards and ceiling moldings.

Sanitation or cleanup will aid considerably in cockroach control. Unwashed dishes, kitchen utensils, and exposed food products should not be left overnight. All spilled liquids should be cleaned up. Areas beneath cabinets, furniture, sinks, stoves, and refrigerators should be cleaned often, as well as cupboards, pantry shelves, and storage bins where small amounts of food frequently accumulate.

Contact your professional exterminators at Sentinel Pest Control immediately if you suspect a roach problem. A customer service representative will answer your questions and point you in the proper direction.

Call today: (253) 538-2576