Bed Bug

Scientific Name: Cimex lectularius

Order & Family: Hemiptera: Cimicidae

Size: 4 to 5 mm (about the size of an apple seed)

Human dwellings, specifically in cracks, crevices, mattresses, and bed frames near hosts

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

Nocturnal, elusive, and photophobic; they undergo incomplete metamorphosis through five nymphal stages that each require a blood meal to molt

No known disease transmission, but they cause significant psychological distress, sleep deprivation, and itchy, allergic skin reactions from bites

Identified on: 5/18/2026