Bug Identifier
Bed bug
Community identification

Bed bug

Cimex lectularius

Order & Family
Hemiptera (True Bugs) / Cimicidae
Size
4 to 5 mm (approx. 3/16 inch) long when fully grown; larger and more elongated after feeding
See this bug in the Encyclopedia

Natural Habitat

Human dwellings, particularly in mattress seams, bed frames, furniture cracks, baseboards, and wall crevices

Diet & Feeding

Obligate hematophage; feeds exclusively on blood, primarily from humans, but also birds and other mammals

Behavior Patterns

Nocturnal parasites that hide in dark, secluded spots during the day and emerge at night to feed. They are wingless and spread mainly through infested luggage, clothing, or furniture

Risks & Benefits

Pest species with no ecological benefits in human environments. Bites cause itchy red welts, allergic reactions, insomnia, and psychological distress. They do not efficiently transmit blood-borne pathogens to humans