What is the Main Cause of Bed Bugs? Bed bugs are a source of blood-sucking hindrance, quite literally. They require blood to survive and breed and are somewhat an expert in hiding. These insects tend to hide near a food source and come out to feed until it is safe. Their minuscule size and transparent skin do not help us as well. You can observe for these revealing indicators that bed bugs are now your unwanted roommates. Firstly, one would find little and itchy bite marks on your exposed skin. Additionally, there will be blood marks and stains on your bedsheets. And lastly, you can spot them on the seam…