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G96-1295 Scabies, Wayne L. Kramer, Donald E. Mock
G96-1295 Scabies, Wayne L. Kramer, Donald E. Mock
University of Nebraska-Lincoln Extension: Historical Materials
The life cycle, symptoms, diagnosis, and treatment of scabies infestations in humans is addressed.
Scabies is a contagious disease of humans and other mammals. It is caused by the mite, Sarcoptes scabiei, which burrows into the dead layer of the human skin (stratum corneum). Sarcoptic mites are obligate parasites which spend most of their lives in burrows in the skin. If the mite invades a person's skin, and establishes itself, symptoms of scabies will become apparent, although it may take four to six weeks.
Scabies is transmitted from person to person by close personal and prolonged skin contact. Transmission also …
G86-789 Human Lice And Their Control, Shripat T. Kamble, David L. Keith, Wayne L. Kramer
G86-789 Human Lice And Their Control, Shripat T. Kamble, David L. Keith, Wayne L. Kramer
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide includes information on biology and control of three species of lice that infest humans.
Pediculosis (lice infestation) in humans has been known since ancient times. Three types of lice that infest humans: 1) head lice, 2) body lice, and 3) crab or pubic lice.
Lice are small, flat, dirty white to grayish black, wingless insects. Their legs are short and stout, with a large claw on each leg for grasping and holding onto hair. Lice have piercing and sucking mouth parts. These insects are blood feeders and require close contact with human hosts.