crab louse, Pthirus pubis (Linnaeus) - Entomology and …
Neither nymphs nor adults move about very much. While feeding a crab louse grabs human hairs with at least one of its second or third legs which are adapted for this purpose. Lice do move about slowly after molting. The louse inserts its mouth parts into the skin of the host, and takes blood intermittently for many hours.
Crab louse - Wikipedia
The crab louse or pubic louse (Pthirus pubis) is an insect that is an obligate ectoparasite of humans, feeding exclusively on blood. [2] The crab louse usually is found in the person's pubic hair.
Crabs (Pubic Lice): Pictures, Symptoms, Treatment, Cure - eMedicineHealth
What are crabs (pubic lice)? Learn about this painful and irritating disease, as well as symptoms, what it looks like, treatment, what to do following treatment, and how to get rid of it.
EENY-103/IN260: Crab Louse, Pthirus pubis (Linnaeus) (Insecta
The crab louse usually infests the hairs of the pubic and perineal regions, but may move to the armpits, beard, or mustache. It occurs rarely on the eyelids and in a few instances has been found in all stages on the scalp of unusually hairy individuals. It is relatively immobile when on the host, remaining attached and feeding for hours or days ...
Three types of sucking lice infest humans: the body louse, Pediculus humanus humanus Linnaeus, also known as Pediculus humanus corporis; the head louse, Pediculus humanus capitis De Geer; and the crab louse or pubic louse, Pthirus pubis (Linnaeus).
Pthirus pubis - ADW
The distinctive crab-like claws of P. pubis allow it to grasp the flattened hair of the host, and they have been known to travel up to 10 cm in a day. Only found on humans, crab lice are normally transmitted directly from person to person, especially during sexual contact.
Crab Louse - an overview | ScienceDirect Topics
The crab louse is found in the pubic region, as well as in adjacent and non-contiguous areas. Crab lice have been found on hairs of the chest, abdomen, legs, buttocks (Fig. 30-4), scalp, and even eyelashes. Pruritus leads to excoriation and secondary infection, and …
What's Bugging You: A Closer Look at the Crab Louse
2022年1月24日 · Human pubic louse (Pthirus pubis) is an ectoparasite that infests the coarse terminal hair of pubic region, scalp, axilla, thighs, chest, eyebrows, and eyelashes. The infestation, known as pediculosis pubis, presents with severe pruritus of the affected sites.
Species Pthirus pubis - Crab Louse - BugGuide.Net
2011年1月23日 · An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.
Crab louse - PMC - National Center for Biotechnology Information
The Crab louse or Phthirus pubis is a dorsoventrally flattened, wingless insect of order Anoplura and family Pthiridae. Adult louse measures about 1–2 mm with three parts namely head, thorax with three pairs of legs, and abdomen.