Bed Bug Fecal Spotting

Scientific Name: Cimex lectularius

Order & Family: Order: Hemiptera, Family: Cimicidae

Size: Individual spots are often 1-2 mm in diameter; the insects themselves are 4-5 mm.

Bed Bug Fecal Spotting

Natural Habitat

Commonly found in human dwellings, hidden in cracks, crevices, mattress seams, and bed frames.

Diet & Feeding

Obligate hematophages, feeding exclusively on the blood of warm-blooded animals, primarily humans.

Behavior Patterns

The image shows digested blood droppings, which are often found near harborages. Bed bugs are nocturnal, hiding during the day and emerging at night to feed.

Risks & Benefits

Risks include itchy allergic reactions, skin rashes, and psychological distress. While they do not transmit diseases, they represent a significant household pest and public health nuisance.

Identified on: 4/29/2026