
Community identification
Body Louse
Pediculus humanus humanus
- Order & Family
- Phthiraptera: Pediculidae
- Size
- 2.3 to 3.6 millimeters in length
Natural Habitat
Inhabits human clothing, especially in the seams, and moves to the skin only to feed.
Diet & Feeding
Sanguinivorous; feeds exclusively on human blood by piercing the skin.
Behavior Patterns
They lay their eggs (nits) in the seams of clothing and can survive up to a month away from a host if temperatures are cool, though they typically die within days without a meal.
Risks & Benefits
Poses significant health risks as a vector for serious diseases such as epidemic typhus, trench fever, and louse-borne relapsing fever. They cause intense itching and skin irritation.