Since an infestation can include thousands of lice, with each of them biting five times a day, the bites can cause strong itching, especially at the beginning of the infestation, that can result in skin excoriations and secondary infections. If an individual is exposed to a long-term infestation, he or she may experience apathy, lethargy and fatigue.
Body louse
Head louse
Crab louse
Humouse
Pinworm 
Mosquito
Botfly
Bowl of Hygieia