Bed bugs were known in ancient Egypt and classical Greece. Rapid expansion of populations can be expected in crowded conditions. Bed bugs can transmit some microbial parasites. Biting itself is painless, but the saliva produces an uncomfortable itching. Some people used (and perhaps still use) bed bugs as a medicine.

Any member of approximately 75 species of nocturnal insects (family Cimicidae) that feed by sucking the blood of humans and other warm-blooded animals. . The common human bedbug of temperate regions, Cimex lectularis, is largely nocturnal, spending the day in crevices in walls and furniture and in bedding. Its bite causes irritation in many individuals, but it is not known to transmit diseases.

Bed Bug Management are cosmopolitan pest attacking all where hygiene does not play a role.They are hitch hikers and are very common at public transport, hospitals, theatres, hotels, hostels etc. They move from place to place along with peoples clothing and baggage. During day time they hide in tiny cracks and crevices and feed on blood meal at night. Since they are mostly found in the bed thus named as bed bug.