Bed bug

Found in temperate and tropical climates, usually indoors within mattress seams, bed frames, and cracks near human sleeping areas.

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

Nocturnal and elusive insects that hide during the day and emerge at night to feed. They undergo incomplete metamorphosis (egg, nymph, adult).

Risks include itchy skin welts, allergic reactions, and psychogical distress. They are not known to transmit diseases to humans. There are no ecological benefits in a domestic setting.