Bed Bug

Scientific Name: Cimex lectularius

Order & Family: Order: Hemiptera, Family: Cimicidae

Size: Adults are typically 4-5 mm long and 1.5-3 mm wide; nymphs are smaller (1-4 mm) and translucent to light tan.

Bed Bug

Natural Habitat

Found worldwide, primarily infesting human dwellings. They tend to live in cracks and crevices near sleeping areas, such as mattress seams, box springs, bed frames, headboards, and behind wallpaper or baseboards.

Diet & Feeding

Hematophagous (blood-feeding); they feed exclusively on the blood of warm-blooded animals, preferring humans.

Behavior Patterns

Nocturnal and cryptic generally hiding during the day and emerging at night to feed. They are attracted to warmth and carbon dioxide. They do not fly or jump but crawl quickly. Females lay tiny white eggs in secluded areas.

Risks & Benefits

Risks: Bed bugs cause itchy, red welts on skin, allergic reactions, anxiety, and insomnia. While not known to transmit diseases directly, their bites can lead to secondary skin infections from scratching. Benefits: None known for humans or the general household ecosystem.

Identified on: 2/21/2026