Bug Identifier
Common Bed Bug
Community identification

Common Bed Bug

Cimex lectularius

Order & Family
Order: Hemiptera, Family: Cimicidae
Size
4 to 5 mm in length (adults)
See this bug in the Encyclopedia

Natural Habitat

Found worldwide in human dwellings, particularly in cracks and crevices of mattresses, box springs, bed frames, and upholstered furniture.

Diet & Feeding

Hematophagous; feeds exclusively on the blood of humans and other warm-blooded animals.

Behavior Patterns

Nocturnal and highly secretive, emerging mostly at night to feed while hosts are sleeping. They navigate using warmth and carbon dioxide cues.

Risks & Benefits

Risks include painful, itchy bites, secondary skin infections from scratching, psychological distress, and severe infestations that are difficult to eradicate. They provide no known benefits to humans.