Common Bed Bug (Nymph)

Natural Habitat

Typically found in human dwellings, specifically in cracks and crevices, bed frames, mattresses, and behind baseboards.

Diet & Feeding

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

Behavior Patterns

Nocturnal and elusive; they undergo five nymphal stages (instars) and require a blood meal to molt to the next stage. They are attracted to heat and carbon dioxide emitted by hosts.

Risks & Benefits

Risks include itchy skin welts, allergic reactions, insomnia, and psychological distress. While they do not transmit diseases, they are a significant nuisance. There are no known ecological benefits for humans.

Identified on: 1/13/2026