Bed Bug
Scientific Name: Cimex lectularius
Order & Family: Hemiptera: Cimicidae
Size: 4 to 5 mm (adults), roughly the size of an apple seed.

Natural Habitat
Human dwellings, specifically in cracks, crevices, mattress seams, and bed frames near sleeping areas.
Diet & Feeding
Obligate hematophages; they feed exclusively on the blood of warm-blooded animals, primarily humans.
Behavior Patterns
Nocturnal parasites that hide during the day and emerge at night to feed. They undergo incomplete metamorphosis (egg, nymph, adult) and require a blood meal to molt.
Risks & Benefits
Risks include itchy welts, allergic reactions, secondary skin infections from scratching, and significant psychological distress/insomnia. They are not known to transmit diseases to humans.
Identified on: 1/10/2026