Bed Bug

Scientific Name: Cimex lectularius

Order & Family: Order Hemiptera; Family Cimicidae

Size: 4 to 5 mm (adults); smaller and translucent as nymphs.

Bed Bug

Natural Habitat

Human dwellings, specifically in bed frames, mattresses, and cracks or 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 are attracted to CO2 and body heat and undergo a five-stage nymphal life cycle requiring a blood meal at each stage.

Risks & Benefits

Risks include itchy welts, allergic reactions, secondary skin infections from scratching, and significant psychological distress/insomnia. They are not known to transmit diseases to humans. There are no ecological benefits in a domestic human setting.

Identified on: 1/30/2026