Bed Bug (Nymph)

Scientific Name: Cimex lectularius

Order & Family: Order Hemiptera, Family Cimicidae

Size: Nymphs range from 1.5 mm to 4.5 mm; adults reach 5 mm to 7 mm.

Bed Bug (Nymph)

Natural Habitat

Found in human dwellings, typically in cracks and crevices of mattresses, box springs, bed frames, and furniture near sleeping areas.

Diet & Feeding

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

Behavior Patterns

Nocturnal and elusive; they hide during the day and emerge at night to feed. They undergo incomplete metamorphosis with five nymphal stages, requiring a blood meal to molt at each stage.

Risks & Benefits

They do not known to transmit diseases but cause itchy welts, allergic reactions, and significant psychological distress. They are considered a major pest requiring professional eradication.

Identified on: 1/13/2026