Difference between revisions of "Category:Non-Burrowing Mites"

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[[Ornithonyssus|''Ornithonyssus'']]
 
[[Ornithonyssus|''Ornithonyssus'']]
  
 +
[[Trombicula autumnalis|''Trombicula autumnalis'']]
  
 
 
===''Trombicula autumnalis''===
 
 
*Causes [[Parasitic skin infections - Pathology#Trombiculidiasis|parasitic skin infestation]]
 
 
*Also called the harvest mite
 
 
*Not host-specific
 
**Will parasitise any animal, including humans
 
 
*Only the larval stage is parasitic
 
**Nymphal and adult stages are free-living in the soil
 
 
*Mite numbers are highest in late summer in temperate climates
 
**Mite numbers are constant all year in tropical regions
 
 
 
'''Recognition'''
 
*Six legs
 
 
*Bright orange in colour
 
 
*Hairy
 
 
*No spiracles
 
**Breath through cuticle
 
 
 
'''Pathogenesis'''
 
*Larvae insert mouthparts into skin and inject cytolytic enzymes
 
 
*Feed on partly digested host tissue
 
 
*Causes irritation
 
 
*Can cause a hypersensitivity reaction
 
 
*Mites found on head, ears and flanks of pets
 
 
*Mites found on face and limbs of grazing animals (depending upon host height)
 
 
 
'''Control'''
 
*Very difficult; try to restrict access of animals to 'hot-spot' areas
 
 
 
'''Treatment'''
 
*Fipronil spray applied to affected areas
 
  
  

Revision as of 22:47, 5 April 2010

  • Live on the skin surface
  • Feed on either skin scales and tissue or suck blood


Psoroptes

Chorioptes bovis

Otodectes cynotis

Cheyletiella spp.

Dermanyssus gallinae

Ornithonyssus

Trombicula autumnalis


Leporacarus

  • Known as the rabbit fur mite
  • Found on rabbits (domestic and wild) and on hares
  • Common
  • Clings to individual hairs
  • Feeds on sebaceous secretions and skin debris
  • Non-pathogenic
  • May cause dermatitis in humans handling infected animals

Pages in category "Non-Burrowing Mites"

The following 11 pages are in this category, out of 11 total.