What are the excretory products of head lice?

Head lice almost always occur on the head, where they attach their eggs (called nits) to the hair, whereas body lice prefer to live in the clothing, from which ... Dec 4, 2013 ... Possible genetic difference between the head louse and the body louse. Am Nat. 1959;93:347-353.Google ScholarCrossref. JAMA Dermatology ... Jan 11, 2014 ... Body lice tend to grow larger than head lice. It may be that a suppressed immune system allows body lice to grow more of the bacteria that make the vitamins ... Dec 20, 2020 ... Unlike the crab louse, these lice have elongated bodies (Figure 1) and lack tubercles on their abdomen. Head and body lice look almost identical ... Apr 1, 1990 ... No differences in the susceptibility between adult and nymph lice could be observed. Résume. L'activité d'insecticides, malathion ... Apr 9, 2012 ... The head louse (Pediculus humanus capitis) is a persistent nuisance, clinging to and laying its eggs in the hair, digging its mouthparts into ... The bodies of pubic lice are shorter and rounder than those of head lice. (Image courtesy of the Centers for Disease Control and Prevention.). While head lice live in your hair and feed on your scalp, body lice usually live in your clothes and bedding. They travel to your skin several times a day to ... Feb 6, 2012 ... This difference between the epidemiological roles of head versus body lice might have existed through long evolutionary periods and likely ... The head louse (Pediculus humanus capitis) is an obligate ectoparasite of humans. Head lice are wingless insects that spend their entire lives on the human ...