Louse (likely Head Louse or Body Louse)

Exclusively on the human body, specifically hair follicles (head) or clothing seams (body).

Obligate hematophagy; they feed exclusively on human blood multiple times a day.

They are wingless and cannot jump or fly; they crawl and cling to hair or fabric with specialized claws. They reproduce rapidly via eggs called nits that are glued to hair shafts or clothing fibers.

Risks include intense itching, scalp irritation, and secondary skin infections from scratching. Body lice can transmit serious diseases like typhus, though head lice are primarily a nuisance and do not spread disease.