Difference between revisions of "Thelazia lacrymalis"

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(Created page with '=== ''THELAZIA'' SPECIES === ==== General ==== *Eye worm, ''T. lacrymalis''. *Spiruroid nematode (1-2cm long). *Conjunctival sac, inner aspect of third eyelid. *Quite common (up …')
 
 
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=== ''THELAZIA'' SPECIES ===
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{{OpenPagesTop}}
==== General ====
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{{Taxobox
*Eye worm, ''T. lacrymalis''.
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|name              = Thelazia lacrymalis
*Spiruroid nematode (1-2cm long).
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|kingdom            =
*Conjunctival sac, inner aspect of third eyelid.
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|phylum            =
*Quite common (up to 30% UK horses).
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|class              = [[Nematodes|Nematoda]]
*Non-pathogenic.
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|sub-class          =  
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|order              =  
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|super-family      = [[Spiruroidea]]
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|family            =
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|sub-family        =
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|genus              =
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|species            =
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}}
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Also known as: '''''Equine eye worm
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==Hosts==
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'''Intermediate hosts''': [[Musca spp.|Muscid flies]]
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'''Definitive hosts''': Horses
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==Identification==
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''T. lacrymalis'' is a [[Nematodes|nematode]] of the superfamily [[Spiruroidea]]. The adults are small, at only 1-2cm in length, and are a pale yellow colour.
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==Life Cycle==
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The female worms are viviparous. L1 is passed by the female worm, and is ingested by the fly, acting as the intermediate host.  The L1 develop into L2, then into L3 inside the ovarian follicles of the fly. The fly infects the definitive host whilst feeding.
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The prepatent period of ''T. lacrymalis'' is 3-6 weeks.
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{{Learning
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|literature search = [http://www.cabdirect.org/search.html?rowId=1&options1=AND&q1=%22Thelazia+lacrymalis%22&occuring1=title&rowId=2&options2=AND&q2=&occuring2=freetext&rowId=3&options3=AND&q3=&occuring3=freetext&x=53&y=12&publishedstart=yyyy&publishedend=yyyy&calendarInput=yyyy-mm-dd&la=any&it=any&show=all ''Thelazia lacrymalis'' publications]
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}}
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{{review}}
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{{OpenPages}}
  
==== Life-Cycle ====
 
*Indirect LC; nuisance flies, ''Musca'' species.
 
 
[[Category:Spiruroidea]]
 
[[Category:Spiruroidea]]
 
[[Category:Horse_Nematodes]]
 
[[Category:Horse_Nematodes]]
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[[Category:Expert_Review]]

Latest revision as of 19:57, 19 July 2012


Thelazia lacrymalis
Class Nematoda
Super-family Spiruroidea

Also known as: Equine eye worm

Hosts

Intermediate hosts: Muscid flies

Definitive hosts: Horses

Identification

T. lacrymalis is a nematode of the superfamily Spiruroidea. The adults are small, at only 1-2cm in length, and are a pale yellow colour.

Life Cycle

The female worms are viviparous. L1 is passed by the female worm, and is ingested by the fly, acting as the intermediate host. The L1 develop into L2, then into L3 inside the ovarian follicles of the fly. The fly infects the definitive host whilst feeding.

The prepatent period of T. lacrymalis is 3-6 weeks.


Thelazia lacrymalis Learning Resources
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Literature Search
Search for recent publications via CAB Abstract
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Thelazia lacrymalis publications





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