The American cockroach is the largest species of common cockroach, and is also known as the waterbug. It can move quickly, and will scatter into a crack or crevice when someone enters the room or turns on lights. Divided into three sections, the body of an American cockroach is reddish brown with a yellow margin just behind its head. A pronotum protects part or all of the thorax in certain cockroaches and presents as a shield-like structure.
Often found in moist areas, the American cockroach is often found in kitchens, bathrooms, and basements. However, if they have access to water, they can survive in dry areas and may be found in other areas of the home. These cockroaches often move inside when cooler weather approaches in search of warmth and food. Cockroaches may enter homes through vents, plumbing, ducts, and doors.
Cockroaches have been known to transmit diseases to humans. One of the most often transmitted diseases is gastroenteritis (diarrhea, stomach cramps, etc.) and this happens because cockroaches carry the organisms that cause the illnesses on their legs, then deposit them on food, utensils, and more.