A graphic shows the life cycle of a bed bug and its appearance.

What Do Bed Bugs Look Like?

A bed bug is a small, oval-shaped insect that feeds by sucking blood from any warm-blooded animal. These pests can live pretty much anywhere and are often found in cracks, mattresses, and upholstered furniture. Bed bug infestations typically start in beds. These bugs find their way into your bedding to take blood from you and…