Bed Bug (Nymph)

Indoor environments frequented by humans, specifically in cracks, crevices, mattress seams, and furniture near sleeping areas.

Obligate hematophages (blood feeders), primarily feeding on human blood during the night.

Nocturnal and elusive; they hide during the day and are attracted to the carbon dioxide and warmth produced by sleeping hosts. They undergo incomplete metamorphosis (egg, nymph, adult).

Risks: Significant pest that causes itchy welts, allergic reactions, psychological distress, and secondary skin infections from scratching. Benefits: None; they are considered a major domestic nuisance.