Bug Identifier
Bed Bug
Community identification

Bed Bug

Cimex lectularius

Order & Family
Order: Hemiptera, Family: Cimicidae
Size
4 to 5 mm in length (about the size of an apple seed) for adults; nymphs are smaller and translucent.
See this bug in the Encyclopedia

Natural Habitat

Typically found in human dwellings, hidden in cracks, crevices, bed frames, mattresses, and furniture near sleeping areas.

Diet & Feeding

Obligate hematophages, meaning they feed exclusively on the blood of mammals and birds, primarily humans.

Behavior Patterns

Nocturnal insects that emerge from hiding at night to feed. They are attracted to body heat and carbon dioxide. They undergo incomplete metamorphosis (egg, nymph, adult).

Risks & Benefits

Risks include itchy allergic reactions to bites, sleep deprivation, and psychological distress. While not known to transmit diseases to humans, they are a major pest that requires professional eradication. They provide no known benefits to human ecosystems.