Bug Identifier
Blood-engorged Bed Bug
Community identification

Blood-engorged Bed Bug

Cimex lectularius

Order & Family
Order: Hemiptera, Family: Cimicidae
Size
Approximately 4 to 5 mm (unfed), but can elongate and appear larger and darker when fully engorged with blood.
See this bug in the Encyclopedia

Natural Habitat

Typically found in human dwellings, hidden in cracks, 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.

Behavior Patterns

Nocturnal insects that emerge at night to feed. They go through five nymphal stages, requiring a blood meal to molt to the next stage. They can survive for months without feeding.

Risks & Benefits

Risks include itchy skin rashes, psychological distress, and allergic reactions to bites. They are not known to transmit diseases to humans. There are no known benefits to humans or the ecosystem.