Common Bed Bug (Nymph)

Scientific Name: Cimex lectularius

Order & Family: Order Hemiptera, Family Cimicidae

Size: 1.5 mm to 5 mm (nymphs to adults)

Common Bed Bug (Nymph)

Natural Habitat

Primarily human dwellings, specifically in cracks and crevices near sleeping areas (mattress seams, bed frames, furniture)

Diet & Feeding

Obligatory hematophages, meaning they feed exclusively on the blood of warm-blooded animals, primarily humans

Behavior Patterns

Nocturnal parasites that emerge at night to feed; they undergo incomplete metamorphosis with five nymphal stages, each requiring a blood meal to molt

Risks & Benefits

While not known to transmit diseases, their bites cause itching, allergic reactions, and significant psychological distress; they are considered a major urban pest

Identified on: 6/28/2026