Bed Bug Services Bed bugs are parasitic insects of the cimicid family that feed exclusively on blood. The term most commonly refers to members of the genus Cimex of which Cimex lectularius, the common bed bug, is the best known as it prefers to feed on human blood although other Cimex species are specialized to other animals They can infest homes and are best adapted to human environment. Adult bedbugs are 4-5 mm in length, oval, flattened and reddish-brown or purple, wingless with microscopic hairs and well developed antennae on their heads. Newly hatched insects are translucent and pale. Not difficult, since bedbugs do not move very quickly, cannot fly and live in groups. During the daytime, the insects hide in bed frames, tiny crevices, wood holes and mattress seams. The name of the "bed bug" is derived from the preferred habitat of Cimex lectularius: warm houses and especially nearby or inside of beds and bedding or other sleep a