The crab louse can live in almost any form of human hair, leading to its other common name of pubic louse.
John B. Smith Economic Entomology (Philadelphia and London: J.B. Lippincott Co, 1896)
2400×1962, 870.0 KiB
1024×837, 137.6 KiB
640×523, 72.8 KiB
320×261, 25.7 KiB