Bed Bug (Nymph)
Scientific Name: Cimex lectularius
Order & Family: Order Hemiptera, Family Cimicidae
Size: 1.5 mm (first instar nymph) to 5 mm (adult)
Natural Habitat
Cracks and crevices near human sleeping areas, mattresses, bed frames, and furniture
Diet & Feeding
Obligate hematophage; feeds 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
Risks & Benefits
No known ecosystem benefits. Risks include itchy skin welts, allergic reactions, insomnia, and psychological distress. They are not known to transmit diseases to humans.
Identified on: 12/30/2025