Commonly found roaches species are German, American, Oriental, and Smoky brown cockroaches.
There are various areas where roaches can be found in your house like bathrooms, kitchen, basement, drains, laundry room, etc.
The German cockroaches are very hard to get control manually. These roaches hide in bathrooms and kitchens where the accessibility to food and moisture is readily available. For getting control over german cockroaches you need to call the professionals.
Treatment of cockroach control should be taken once every year to prevent any type of major infestation by the roaches.
It is a great way to get rid of cockroaches from your residence but you need to place them properly.