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===''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
[[Ornithonyssus|''Ornithonyssus'']]
[[Ornithonyssus|''Ornithonyssus'']]
+[[Trombicula autumnalis|''Trombicula autumnalis'']]
−