Cockroaches are one of the most irritating and endurable pests we have in our homes and industrial environment. They appear in all places. The most common one is the German cockroaches which normally appear in the kitchen. They are small and brown of color. They have the ability to multi play to an unexpected rate. 2 Cockroaches – 50 000 cockroaches per year. They can life in temperatures from 18 degrees to 75 with ease. Cockroaches can life for two weeks without water and a month without food. Cockroach infestation is a risk for humans. A study done in America in 2005 proofed that cockroaches can promote allergies like asthma. Food contaminated by cockroaches may lead to serious diarrhea.