Bed Bug (exoskeleton fragments/fecal spotting residues)

Scientific Name: Cimex lectularius

Order & Family: Order: Hemiptera, Family: Cimicidae

Size: Adults are 4–5 mm; nymphs range from 1.5–4.5 mm (residue shown is likely fragments or droppings under 2mm).

Bed Bug (exoskeleton fragments/fecal spotting residues)

Natural Habitat

Human dwellings, primarily hidden in mattress seams, bed frames, cracks, and crevices in furniture or floorboards.

Diet & Feeding

Obligate hematophages, meaning they feed exclusively on the blood of warm-blooded animals, specifically humans.

Behavior Patterns

Nocturnal and elusive; they hide during the day and emerge at night to feed. They undergo incomplete metamorphosis and leave behind dark fecal spots and discarded carapaces.

Risks & Benefits

Risks include itchy allergic reactions to bites, skin infections from scratching, and significant psychological distress/insomnia. They are not known to transmit diseases but are a major nuisance pest.

Identified on: 4/28/2026