Bed bug

Scientific Name: Cimex lectularius

Order & Family: Hemiptera (order), Cimicidae (family)

Size: 4-5 mm (adult)

Bed bug

Natural Habitat

Primarily found in human dwellings, especially beds, mattresses, bed frames, and cracks in walls. They prefer dark, secluded areas close to their human hosts.

Diet & Feeding

Exclusively feed on the blood of humans and other warm-blooded animals. They are nocturnal feeders.

Behavior Patterns

Nocturnal; they emerge from their hiding spots to feed on sleeping hosts. They tend to live in groups and leave behind fecal spots (dark, digested blood) and shed skins as signs of infestation. They are very adept at hiding and can be difficult to eradicate.

Risks & Benefits

Risks: Bed bugs are primarily a nuisance. Their bites can cause itchy red welts, leading to skin irritation, allergic reactions, and secondary skin infections from scratching. They are not known to transmit diseases to humans. Benefits: None for humans; they are considered pests.

Identified on: 10/3/2025