Bed Bug
Scientific Name: Cimex lectularius
Order & Family: Hemiptera / Cimicidae
Size: 1.5 mm (nymphs) to 5 mm (adults)

Natural Habitat
Nests in cracks, crevices, mattress seams, and furniture near human sleeping areas indoors.
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, each requiring a blood meal to molt.
Risks & Benefits
Risks include itchy allergic reactions to bites, skin infections from scratching, and significant psychological distress/insomnia. They are not known to transmit diseases to humans but are high-nuisance domestic pests.
Identified on: 1/2/2026