Bug Identifier
Bed Bug
Community identification

Bed Bug

Cimex lectularius

Order & Family
Hemiptera: Cimicidae
Size
4 to 5 mm (adults); smaller for nymphs
See this bug in the Encyclopedia

Natural Habitat

Human dwellings, specifically in cracks, crevices, mattresses, bed frames, and furniture where humans sleep.

Diet & Feeding

Obligate hematophagy; they feed exclusively on the blood of warm-blooded animals, primarily humans.

Behavior Patterns

Nocturnal and elusive. They hide during the day and emerge at night to feed. They undergo incomplete metamorphosis (egg, nymph, adult) and require a blood meal to molt into each successive life stage.

Risks & Benefits

Risks include itchy, red welts from bites, potential allergic reactions, and significant psychological distress or insomnia. They are not known to transmit diseases to humans. There are no known benefits to humans or the indoor ecosystem.