Bug Identifier
Body Louse
Community identification

Body Louse

Pediculus humanus humanus

Order & Family
Phthiraptera: Pediculidae
Size
2.3 to 3.6 millimeters in length
See this bug in the Encyclopedia

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.