Bed Bug

Found worldwide in human dwellings, typically in mattress seams, bed frames, and furniture crevices.

Obligate hematophages, feeding almost exclusively on human blood, though they may bite other mammals or birds.

Mainly nocturnal; they hide during the day and emerge at night to feed. They go through five nymphal stages, requiring a blood meal to progress through each stage.

Bites can cause itchy red welts, allergic reactions, or psychological distress; while they are not known to transmit diseases to humans, infestations are difficult and costly to eradicate.