Bed Bug

Found globally; specifically in human dwellings, typically in mattress seams, bed frames, cracks, and crevices near sleeping areas.

Obligate hematophages; they feed exclusively on the blood of warm-blooded animals, primarily humans.

Mainly nocturnal; they hide during the day and emerge at night to feed. They undergo incomplete metamorphosis (egg, nymph, adult) and require a blood meal to progress to each instar.

Risks: Can cause itchy welts, allergic reactions, and psychological distress. They do not knownly transmit diseases to humans but are a major nuisance pest. Benefits: None.