Louse - Wikipedia
Louse (pl.: lice) is the common name for any member of the clade Phthiraptera, which contains nearly 5,000 species of wingless parasitic insects. Phthiraptera has variously been recognized as an order, infraorder, or a parvorder, as a result of developments in phylogenetic research. [1][2][3]
Louse | Description, Features, Life Cycle, Species ...
Louse, (order Phthiraptera), any of a group of small wingless parasitic insects divisible into two main groups: the Amblycera and Ischnocera, or chewing or biting lice, which are parasites of birds and mammals, and the Anoplura, or sucking lice, parasites of mammals only.
Lice - Symptoms and causes - Mayo Clinic
2022年6月30日 · Lice are tiny, wingless insects that feed on human blood. Lice spread from person to person through close contact and by sharing belongings. There are three types of lice: Head lice found on the scalp. They're easiest to see at the nape of the neck and over the ears. Body lice that live in clothing and bedding and move onto the skin to feed ...
About Lice | Lice | CDC - Centers for Disease Control and ...
2024年9月4日 · Lice are parasitic insects found on people's heads and bodies. Lice spread by close person-to-person contact. The three types of lice affecting humans are head, body, and pubic. Both over the counter and prescription medications can treat lice.
Lice | Lice | CDC - Centers for Disease Control and Prevention
Pubic lice, also known as "crab" lice, are parasitic insects found in the pubic or genital area. You can treat lice with either over-the-counter or prescription medications. Treat pubic lice with a lice-killing lotion or mousse available over-the-counter.
Lice: How To Tell if You Have Them - WebMD
2024年5月5日 · When these tiny insects infect the scalp and skin, they trigger intense itching and may even create a rash around the hairline. There are different types of lice. The type you have depends on the...
Head Lice: What You Need to Know - WebMD
2024年7月16日 · Head lice are tiny six-legged insects that cling to your scalp and neck and feed on human blood. Each louse is only about the size of a sesame seed, so they can be hard to spot. Lice lay...