Common Bed Bug

Scientific Name: Cimex lectularius

Order & Family: Order: Hemiptera, Family: Cimicidae

Size: 4 to 5 mm in length (unfed adults); up to 7 mm after feeding.

Common Bed Bug

Natural Habitat

Primarily indoors within human dwellings, hiding in mattress seams, bed frames, cracks, and crevices near sleeping areas.

Diet & Feeding

Obligate blood-feeders, primarily consuming human blood but may feed on other warm-blooded animals if necessary.

Behavior Patterns

Mainly nocturnal, emerging at night to feed on hosts while they sleep. They undergo incomplete metamorphosis (egg, nymph, adult) and can survive for months without a meal.

Risks & Benefits

While not known to transmit diseases, they cause itchy welts, allergic reactions, anxiety, and insomnia. They offer no beneficial ecosystem services in domestic settings.

Identified on: 2/4/2026