Bed Bug

Scientific Name: Cimex lectularius

Order & Family: Hemiptera: Cimicidae

Size: Adults are approximately 4-5 mm (about 3/16 inch) in length. Nymphs range from 1 mm to 4 mm.

Bed Bug

Natural Habitat

Typically found in human dwellings, particularly in bedrooms. They hide in cracks and crevices of mattresses, box springs, bed frames, furniture, and behind wallpaper or baseboards.

Diet & Feeding

Strictly hematophagous, meaning they feed exclusively on the blood of warm-blooded animals, with humans being the preferred host.

Behavior Patterns

They are nocturnal and cryptic, emerging at night to feed on sleeping hosts. They are attracted to warmth and carbon dioxide. After feeding, they retreat to hidden aggregations.

Risks & Benefits

Risks: Their bites cause itchy, red welts and can lead to secondary skin infections, allergic reactions, anxiety, and insomnia. They are not known to transmit disease but are significant nuisance pests. Benefits: None known.

Identified on: 2/28/2026