Bed Bug

In and around human sleeping areas, including mattresses, bed frames, and cracks or crevices in walls.

Strictly hematophagous (blood-feeding), primarily preferring human blood.

Mainly nocturnal; 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.

They do not known to transmit diseases, but their bites can cause allergic reactions, skin rashes, and psychological distress. They are considered a significant household pest with no known ecosystem benefits.