Bed Bug

Human dwellings, specifically in cracks, crevices, mattresses, and bed frames near sleeping areas.

Obligate hematophages, feeding almost exclusively on human blood, though they may feed on other warm-blooded animals.

Nocturnal parasites that hide during the day and emerge at night to feed. They undergo incomplete metamorphosis (egg, nymph, adult) and require blood meals to transition between stages.

While they do not transmit diseases, their bites cause itching, allergic reactions, and significant psychological distress. They are considered a major urban pest with no ecological benefits to human environments.