Bug Identifier
Common Bed Bug (Nymph/Unresolved)
Community identification

Common Bed Bug (Nymph/Unresolved)

Cimex lectularius

Order & Family
Hemiptera: Cimicidae
Size
1.5 mm to 5 mm (nymphs are smaller and translucent-yellow/brown)
See this bug in the Encyclopedia

Natural Habitat

Found in human dwellings, primarily in or around sleeping areas such as mattress seams, bed frames, cracks, crevices, and baseboards.

Diet & Feeding

Obligate hematophages; they feed exclusively on the blood of warm-blooded animals, primarily humans.

Behavior Patterns

Nocturnal photophobes that emerge at night to feed. They undergo incomplete metamorphosis (egg, nymph, adult) and require a blood meal to molt to the next stage.

Risks & Benefits

Risks include itchy skin welts, allergic reactions, psychological distress, and secondary infections from scratching. They are not known to transmit diseases to humans. There are no known ecological benefits in a human domestic setting.