Bug Identifier
Bed Bug
Community identification

Bed Bug

Cimex lectularius

Order & Family
Order: Hemiptera, Family: Cimicidae
Size
4 to 5 mm in length for adults; smaller for nymphs.
See this bug in the Encyclopedia

Natural Habitat

Human dwellings, specifically in bed frames, mattresses, cracks, and crevices near sleeping areas.

Diet & Feeding

Obligate hematophagous; 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 are attracted to CO2 and body heat. After feeding, they return to hiding to digest and mate.

Risks & Benefits

Risks include red, itchy welts from bites, allergic reactions, and significant psychological distress or insomnia. While they do not transmit diseases, they are difficult and expensive to eradicate. There are no ecological benefits in human environments.