Bed Bug (signs of infestation)
Scientific Name: Cimex lectularius
Order & Family: Order: Hemiptera, Family: Cimicidae
Size: Adults are 4–5 mm; nymphs are 1–4 mm (The dark spots pictured are likely fecal spotting/staining rather than the bugs themselves).
Natural Habitat
Indoor environments, primarily in cracks and crevices near human sleeping areas such as mattresses, bed frames, and upholstered furniture.
Diet & Feeding
Obligate hematophages (blood-feeders), typically feeding on humans or other warm-blooded animals.
Behavior Patterns
Nocturnal and elusive; they hide during the day and emerge at night to feed. They leave behind dark spots of digested blood (fecal matter) on bedding as seen in the image.
Risks & Benefits
Risks include itchy skin rashes, psychological distress, and potential allergic reactions to bites. They are considered a significant public health pest but are not currently known to transmit diseases to humans.
Identified on: 4/17/2026