Bug Identifier
Bed Bug
Community identification

Bed Bug

Cimex lectularius

Order & Family
Order Hemiptera; Family Cimicidae
Size
4 to 5 mm (about the size of an apple seed)
See this bug in the Encyclopedia

Natural Habitat

Human dwellings, specifically beds, furniture, and cracks/crevices near sleeping areas

Diet & Feeding

Obligate hematophages; they feed exclusively on the blood of warm-blooded animals, primarily humans

Behavior Patterns

Nocturnal parasites that hide during the day and emerge at night to feed. They undergo incomplete metamorphosis (egg, nymph, adult) and require a blood meal to molt

Risks & Benefits

Significant household pest; bites cause itching, skin rashes, and psychological distress. While not known to transmit diseases, they can cause secondary skin infections from scratching and are extremely difficult to eradicate from homes