Bed Bug

Indoor environments, specifically within crevices of beds, upholstered furniture, and walls in human dwellings.

Obligate hematophagous (feeds exclusively on blood), primarily targeting humans but also feeding on other warm-blooded animals.

Nocturnal parasites that emerge at night to feed. They are attracted to carbon dioxide and body heat. They undergo incomplete metamorphosis with five nymphal stages requiring blood meals to molt.

Risks: Causes itchy welts, allergic reactions, and significant psychological distress or insomnia. Benefits: None; they are considered a major urban pest.