Bug Identifier
Bed Bug (fecal spotting)
Community identification

Bed Bug (fecal spotting)

Cimex lectularius

Order & Family
Hemiptera: Cimicidae
Size
1 to 7 millimeters (adults), though this image shows fecal staining which varies in size
See this bug in the Encyclopedia

Natural Habitat

Human dwellings, specifically cracks and crevices near sleeping areas such as mattresses, box springs, and bed frames

Diet & Feeding

Obligate hematophagous (feeds exclusively on the blood of warm-blooded animals, primarily humans)

Behavior Patterns

Nocturnal parasites that hide during the day and emerge at night to feed. They leave behind dark, rust-colored fecal spots (digested blood) on linens and furniture.

Risks & Benefits

While not known to transmit diseases, they cause significant psychological distress, sleep deprivation, and itchy allergic reactions from bites. They are considered a major pest of public health importance.