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sucking louse |
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sucking louseAny of more than 400 species (suborder Anoplura, order Phthiraptera) of small, wingless, flat ectoparasitic insects found worldwide. They have piercing and sucking mouthparts for extracting their food of mammals' blood and tissue fluids. The nymphs mature after several molts. Species are host-specific: Pediculus infests humans (see human louse), whereas other sucking lice (genera Haematopinus and Linognathus) attack domestic animals, such as hogs, cattle, horses, and dogs. sucking louse [′sək·iŋ ‚lau̇s] (invertebrate zoology) The common name for insects of the order Anoplura, so named for the slender, tubular mouthparts. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Humans are the reservoir of the bacterium (12), and the human body louse, Pediculus humanus corporis, is its usual vector (1). Because head lice - in Latin, Pediculus humanus capitis - are considered a nuisance rather than a health problem, no public agency keeps records on the number of children infested. The [alpha]-proteobacterium Bartonella quintana is a fastidious, gram-negative organism; humans are the only known reservoir, and the human body louse, Pediculus humanus corporis, is the only known vector (1). |
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