Bed Bug (Nymph)

Scientific Name: Cimex lectularius

Order & Family: Order: Hemiptera, Family: Cimicidae

Size: Nymphs range from 1.5 to 4.5 mm (adults reach 5-7 mm).

Bed Bug (Nymph)

Natural Habitat

Domestic environments, specifically in cracks and crevices of beds, furniture, and luggage.

Diet & Feeding

Obligate blood feeders, primarily targeting humans during the night.

Behavior Patterns

Nocturnal and elusive; they undergo five nymphal stages (instars) and require a blood meal to molt at each stage.

Risks & Benefits

Strictly an indoor pest; they cause itchy bites and psychological distress. While not known to transmit diseases, they are difficult and expensive to eradicate.

Identified on: 5/30/2026