Difference between revisions of "Trombicula autumnalis"

Latest revision as of 13:37, 20 July 2012

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-*Causes [[Parasitic skin infections - Pathology#Trombiculidiasis|parasitic skin infestation]]
+#redirect[[Trombiculidiasis]]
-*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
 [[Category:Non-Burrowing_Mites]]