These little creatures feast on human blood and they are very tenacious indeed. They spread easily from person to person through contact. You will get bitten very badly if you were to sit or lie down near where they are gathered. Bed bug exterminator Dallas should become your priority once you realize that these creatures have infested your home. The problem is that many people have jumped on the bandwagon; only by hiring a bed bug exterminator who is reliable will you be able to get the results you desire.