Bug Identifier
Common Bed Bug
Community identification

Common Bed Bug

Cimex lectularius

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

Natural Habitat

Human dwellings, primarily in mattresses, bed frames, cracks/crevices, and behind wallpaper or baseboards.

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 with five nymphal stages, each requiring a blood meal to molt.

Risks & Benefits

They are significant pests that cause itchy bites, allergic reactions, and psychological distress. While not known to transmit diseases, heavy infestations can lead to secondary skin infections or anemia.