Difference between revisions of "Louse Life Cycle"
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Both [[:Category:Sucking Lice|sucking]] and [[:Category:Chewing Lice|chewing lice]] have similar life cycles. The females lay eggs, which are usually white. The female is capable of producing several hundred eggs in a lifetime. These stick to the hair or feathers on the host. Sucking lice feed on blood using their piercing mouth parts. Mammalian chewing lice feed on hair shafts or dermis. The bird lice are also capable of digesting keratin, so can eat feathers. | Both [[:Category:Sucking Lice|sucking]] and [[:Category:Chewing Lice|chewing lice]] have similar life cycles. The females lay eggs, which are usually white. The female is capable of producing several hundred eggs in a lifetime. These stick to the hair or feathers on the host. Sucking lice feed on blood using their piercing mouth parts. Mammalian chewing lice feed on hair shafts or dermis. The bird lice are also capable of digesting keratin, so can eat feathers. | ||
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In some species [[WikiWords#P|parthenogenesis]] may also occur. | In some species [[WikiWords#P|parthenogenesis]] may also occur. | ||
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| + | |flashcards = [[Lice_Flashcards|Lice Flashcards]] | ||
| + | |literature search =[http://www.cabdirect.org/search.html?q=%28title%3A%28lice%29+OR+title%3A%28louse%29%29+AND+title%3A%28%22life+cycle%22%29 Louse life cycle publications] | ||
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| − | + | ==References== | |
| − | + | Taylor, M.A, Coop, R.L., Wall,R.L. (2007) '''Veterinary Parasitology''' ''Blackwell Publishing'' | |
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[[Category:Lice|B]] | [[Category:Lice|B]] | ||
[[Category:Expert_Review]] | [[Category:Expert_Review]] | ||
Latest revision as of 20:19, 11 July 2012
Both sucking and chewing lice have similar life cycles. The females lay eggs, which are usually white. The female is capable of producing several hundred eggs in a lifetime. These stick to the hair or feathers on the host. Sucking lice feed on blood using their piercing mouth parts. Mammalian chewing lice feed on hair shafts or dermis. The bird lice are also capable of digesting keratin, so can eat feathers.
There is no real metamorphosis. The egg hatches into a nymph, which is essentially a juvenile louse. They are similar to adults, except just smaller.
After three further moults the adults usually fully mature.
A heavy louse infestation is known as pediculosis.
The complete life cycle takes around 2-3 weeks, and the louse generally spend their entire life on the host.
In some species parthenogenesis may also occur.
| Louse Life Cycle Learning Resources | |
|---|---|
 Test your knowledge using flashcard type questions |
Lice Flashcards |
 Search for recent publications via CAB Abstract (CABI log in required) |
Louse life cycle publications |
References
Taylor, M.A, Coop, R.L., Wall,R.L. (2007) Veterinary Parasitology Blackwell Publishing
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This article has been peer reviewed but is awaiting expert review. If you would like to help with this, please see more information about expert reviewing. |
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