Bug Identifier
Bed Bug
Community identification

Bed Bug

Cimex lectularius

Order & Family
Hemiptera: Cimicidae
Size
4 to 5 mm (adults), becoming larger after a blood meal.
See this bug in the Encyclopedia

Natural Habitat

Nests and shelters near host sleeping areas, such as mattress seams, bed frames, and behind wallpaper in residential and commercial buildings.

Diet & Feeding

Obligate hematophagous (blood-feeders), primarily targeting humans and other warm-blooded animals.

Behavior Patterns

Nocturnal and elusive; they use carbon dioxide and heat to locate hosts. Their life cycle includes five nymphal stages, each requiring a blood meal to molt.

Risks & Benefits

Risks include itchy welts, allergic reactions, and psychological distress. While not known to transmit diseases to humans, they are major domestic pests; they offer no significant ecosystem benefits in human environments.