Bed Bug (Nymph/Hatchling)
Scientific Name: Cimex lectularius
Order & Family: Order: Hemiptera, Family: Cimicidae
Size: 1.5 mm to 4.5 mm (nymphs are smaller and often reddish after a blood meal).

Natural Habitat
Indoor environments, specifically within human sleeping areas, including mattresses, bed frames, furniture, and wall crevices.
Diet & Feeding
Obligate hematophagy; they feed exclusively on the blood of warm-blooded animals, primarily humans.
Behavior Patterns
Nocturnal and elusive; they hide in dark cracks 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
Risks include itchy allergic reactions to bites, skin infections from scratching, and significant psychological distress or insomnia. They are not known to transmit diseases to humans.
Identified on: 1/13/2026