Difference between revisions of "Notoedres"

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*Known as [[Feline Scabies|feline scabies]]
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{{Taxobox
 +
|name              =''Notoedres''
 +
|phylum            =Arthropoda
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|class              =Arachnida
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|order              =Astigmata
 +
|family            =Sarcoptidae
 +
|genus              =Notoedres
 +
}}
 +
Also known as: '''''[[Feline Scabies|feline scabies]]''
  
*Also common ectoparasite of tropical bats
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==Introduction==
 +
''Notoedres'' are [[Burrowing Mites|burrowing mites]] of cats, rats, man and rabbits. They are also common ectoparasites of tropical bats.
  
*Parasite of cats, rats, man and rabbits
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==Identification==
  
 +
The Notoedres mite is similar to [[Sarcoptes]] although it has less distinct angles on its body surface. The female mites have suckers on legs 1 and 2 and are about 225μm in length. Males are 150μm in length. The anal opening of the Notoedres is distinctly dorsal, not posterior.
  
'''Recognition'''
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==Lifecycle==
*Similar to ''Sarcoptes''
 
  
*Less distinct angles on body surface
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The entire life cycle takes place on a single host and takes between 14 and 21 days to complete. The female mite burrows into the skin and lays eggs in the created tunnels. After the female deposits the eggs, she dies.
  
*Females have suckers on legs 1 and 2
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'''Eggs'''<br/>
 +
Laid into the stratum corneum by the burrowing female.<br/>
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'''Larvae'''<br/>
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Burrow into the skin and go through two nymphal stages before reaching maturity.
  
*Females are about 225μm in length and males 150μm
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==Diagnosis==
  
*Anal opening is distinctly dorsal (not posterior)
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The method of detection for Notoedres is usually via a superficial skin scraping. A single nest in a scraping may yield many mites.
  
 +
==Important Species==
  
'''Pathogenesis'''
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''Notoedres cati''- This species causes [[Feline Scabies|feline scabies]], an example of a notoedric skin infestation.
*Infection begins on the ear tips and spreads over the body
 
  
*''Notoedres cati'' in [[Parasitic skin infections - Pathology#Notoedric mites|notoedric skin infestation]]
 
  
*Causes dermatitis
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==Test yourself with the Mites Flashcards==
  
*Burrowing of females damages keratinocytes leading to cytokine release
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[[Mites_Flashcards|Mites Flashcards]]
  
*Hypersensitivity reaction may occur
 
  
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{{unfinished}}
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[[Category:Burrowing_Mites]]
  
'''Diagnosis'''
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[[Category:To_Do_-_Parasites]]
*Superficial skin scraping
 
 
 
*A single nest in a scraping may yield many mites[[Category:Burrowing_Mites]]
 
 
 
[[Category:To_Do_-_AimeeHicks]]
 

Latest revision as of 16:27, 24 May 2011

Notoedres
Phylum Arthropoda
Class Arachnida
Order Astigmata
Family Sarcoptidae
Genus Notoedres

Also known as: feline scabies

Introduction

Notoedres are burrowing mites of cats, rats, man and rabbits. They are also common ectoparasites of tropical bats.

Identification

The Notoedres mite is similar to Sarcoptes although it has less distinct angles on its body surface. The female mites have suckers on legs 1 and 2 and are about 225μm in length. Males are 150μm in length. The anal opening of the Notoedres is distinctly dorsal, not posterior.

Lifecycle

The entire life cycle takes place on a single host and takes between 14 and 21 days to complete. The female mite burrows into the skin and lays eggs in the created tunnels. After the female deposits the eggs, she dies.

Eggs
Laid into the stratum corneum by the burrowing female.
Larvae
Burrow into the skin and go through two nymphal stages before reaching maturity.

Diagnosis

The method of detection for Notoedres is usually via a superficial skin scraping. A single nest in a scraping may yield many mites.

Important Species

Notoedres cati- This species causes feline scabies, an example of a notoedric skin infestation.


Test yourself with the Mites Flashcards

Mites Flashcards