Body Louse (Nymph)

Found on humans, specifically living in the seams and folds of clothing/bedding and moving to the skin to feed.

Obligate blood feeders, consuming only human blood multiple times a day.

They spend most of their time on clothing rather than the body. They crawl to the skin only when needed for a meal and lay their eggs (nits) in the seams of fabrics. They cannot fly or jump.

Risks include severe itching (pediculosis), skin rashes, and secondary skin infections. They are unique among lice for being vectors for serious diseases like epidemic typhus, trench fever, and louse-borne relapsing fever. There are no ecological benefits to humans.