Bug Identifier
Bed Bug
Community identification

Bed Bug

Cimex lectularius

Order & Family
Order Hemiptera, Family Cimicidae
Size
4 to 5 mm (approx. 1/8 to 3/16 inch) for adults; nymphs are smaller and translucent.
See this bug in the Encyclopedia

Natural Habitat

Found globally in human dwellings, typically nesting in cracks, crevices, mattress seams, and bed frames.

Diet & Feeding

Obligate 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 (egg, nymph, adult) and can survive months without a blood meal.

Risks & Benefits

Risks include itchy red welts, allergic reactions, and psychological distress/insomnia. They are not known to transmit diseases to humans but are significant household pests.