Bed Bug Nymph

Scientific Name: Cimex lectularius

Order & Family: Order Hemiptera, Family Cimicidae

Size: 1mm to 4.5mm (depending on nymphal stage)

Bed Bug Nymph

Natural Habitat

Found in cracks and crevices in human dwellings, typically near sleeping areas like mattresses and bedding

Diet & Feeding

Obligate blood-feeders, primarily consuming human blood but sometimes feeding on other warm-blooded animals

Behavior Patterns

Nocturnal; they hide during the day and emerge at night to feed. They undergo five nymphal stages, requiring a blood meal to molt into the next stage.

Risks & Benefits

A significant household pest that causes itchy welts, allergic reactions, and psychological distress. While not known to transmit diseases, infestations are difficult to eradicate and can spread rapidly.

Identified on: 2/28/2026