Difference between revisions of "Trichodectes canis"

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{{Taxobox
 
{{Taxobox
 
|name              =''Trichodectes canis
 
|name              =''Trichodectes canis
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Also known as: '''''Dog biting louse
 
Also known as: '''''Dog biting louse
  
==Introduction==
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''Trichodectes canis'' is a [[Chewing Lice|chewing louse]] of dogs.
''Trichodectes canis'' is a '''[[Chewing Lice|chewing louse]]''' of dogs. It is '''very host-specific''' and cannot infest any other species than the dog.
 
 
 
It can have serious effects in '''puppies and older, debilitated animals'''.
 
 
 
''T. canis'' can also act as an intermediate for the tapeworm ''Dipylidium caninum''.
 
 
 
The lice are transferred by '''direct contact''' between animals, or via '''shared combs and brushes'''.
 
 
 
==Identification==
 
The adults are '''small, yellow lice''', measuring around 1.5mm in length.  The  head is '''broader than long''' and the antennae are three-segmented, short and exposed. The legs are stout and their tarsi bear single claws, with which they tightly grasp the hair of the host. The abdomen has 6 pairs of spiracles on segments 2 to 6 and many rows of large, thick setae.
 
  
==Life Cycle==
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===Identification===
The female is capable of laying several eggs per day for approximately '''30 days'''The eggs then take around 7-14 days to hatch, and then give rise to '''three nymphal stages'''. The nymphs mature into reproductive adults within about 2 weeks.  
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The adults are small, yellow lice, measuring around 1.5mm in lengthThey have short legs, each with a single claw on the end.
  
The egg-to-adult life cycle requires about '''30 to 40 days'''.
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===Life Cycle===
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The female is capbale of laying several eggs per day, and usually lives for around a month.  The eggs then take around 7-14 days to hatch, and then undergo three subsequent transformations to become a reproducitve adult.
  
==Clinical signs==
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==Literature Search==
It is more commonly found on the '''head, neck and tail''' attached to the base of the hairs.
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[[File:CABI logo.jpg|left|90px]]
  
Lice often congregate around body openings or wounds, seeking moisture.
 
  
Typical signs of infestation include: '''intense pruritus, scratching, biting''', sleeplessness, nervousness and a matted coat.
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Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
 
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Damage to the skin results in inflammation, excoriation, alopecia and secondary bacterial involvement.
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[http://www.cabdirect.org/search.html?q=title:(%22Trichodectes+canis%22)+ ''Trichodectes canis'' publications]
 
 
==Diagnosis==
 
Diagnosis is made on the basis of clinical signs and identification of lice in the coat. This can be done by collecting '''tape strips''' or '''coat brushings''' which are examined under the microscope.
 
 
 
==Treatment==
 
Lice spend their '''entire life-cycle on the host''' and are readily killed by permethrin, carbaryl and fipronil.
 
 
 
These antiparasitics should be applied '''twice, 14 days apart'''.
 
 
 
==References==
 
Wall, R. (2001) '''Veterinary ectoparasites: biology, pathology and control''' ''John Wiley and Sons''
 
 
 
Wall, R. (1997) '''Veterinary entomology''' ''Springer''
 
 
 
{{Learning
 
|literature search = [http://www.cabdirect.org/search.html?q=title:(%22Trichodectes+canis%22)+ ''Trichodectes canis'' publications]
 
|Vetstream = [https://www.vetstream.com/canis/search?s=lice Lice]
 
}}
 
 
 
 
 
{{review}}
 
 
 
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[[Category:Lice - Dog]]
 
[[Category:Lice - Dog]]
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[[Category:Expert_Review]]
 
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Revision as of 23:15, 9 October 2010


Trichodectes canis
Class Insecta
Order Phthiraptera
Family Trichodectodae
Species Trichodectes canis

Also known as: Dog biting louse

Trichodectes canis is a chewing louse of dogs.

Identification

The adults are small, yellow lice, measuring around 1.5mm in length. They have short legs, each with a single claw on the end.

Life Cycle

The female is capbale of laying several eggs per day, and usually lives for around a month. The eggs then take around 7-14 days to hatch, and then undergo three subsequent transformations to become a reproducitve adult.

Literature Search

CABI logo.jpg


Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).


Trichodectes canis publications