Cimicidae’ is a family of insects commonly known as bed bugs. This family includes various species, with the most well-known being Cimex lectularius, the common bed bug. Members of the Cimicidae family are characterized by their flat, oval bodies, and they are nocturnal parasites that feed on the blood of humans and other warm-blooded hosts. Bed bugs are often found in human dwellings and can be difficult to eradicate once they infest an area.