You can also bring them home if you work in a cockroach-infested building. A third misconception is that it is impossible to eradicate cockroaches from your home. It can take a lot work to eradicate them, especially if the roaches are well established, but it is not impossible. For a number of reasons, eradication is more difficult in apartment buildings, but effective treatments should suppress the population. The fourth misconception is that all cockroaches are the same.
Control can be more effective if efforts are directed at their preferred habitat.
The most difficult roach to control is the German cockroach which has a higher reproductive rate than other species. Populations of this cockroach species explode in late summer. It is usually found in kitchens and bathrooms where conditions are warm and humid. The fifth misconception is that insecticide treatments are the basis for effective control. The truth is that sanitation is the foundation for effective cockroach control and, when done rigorously, make insecticide treatments more effective.