Bug Identifier
Bed Bug
Community identification

Bed Bug

Cimex lectularius

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

Natural Habitat

Found globally in human dwellings, typically in cracks and crevices, mattresses, bed frames, and furniture near sleeping areas.

Diet & Feeding

Obligate hematophages; they feed exclusively on the blood of warm-blooded animals, primarily humans, usually at night.

Behavior Patterns

Nocturnal and elusive; they hide during the day and are attracted to the carbon dioxide and body heat of hosts. They undergo incomplete metamorphosis (egg, nymph stages, adult).

Risks & Benefits

Risks include itchy allergic reactions to bites, secondary skin infections from scratching, and significant psychological distress/insomnia. They are not known to transmit diseases to humans but are high-impact household pests.