Bed Bug

Scientific Name: Cimex lectularius

Order & Family: Order: Hemiptera, Family: Cimicidae

Size: 4 to 5 mm (adults), roughly the size of an apple seed.

Bed Bug

Natural Habitat

Found globally in human dwellings, particularly in cracks and crevices near sleeping areas such as mattresses, bed frames, and furniture.

Diet & Feeding

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

Behavior Patterns

Mainly nocturnal and elusive, hiding during the day and emerging at night to feed. They undergo incomplete metamorphosis with five nymphal stages, each requiring a blood meal to molt.

Risks & Benefits

Risks include itchy welts, allergic reactions, and psychological distress/insomnia. While they do not transmit diseases to humans, they are a significant pest that is difficult and expensive to eradicate. They provide no known ecosystem benefits in human environments.

Identified on: 3/20/2026