Canis ISSN: 2398-2942

Skin: neotrombicula autumnalis infestation

Synonym(s): Harvest mite infestation, Trombicula infestation, Chiggers

Contributor(s): Rosanna Marsella, David Scarff

Introduction

  • Cause: larvae ofNeotrombicula autumnalis Neotrombicula autumnalis.
  • Signs: pedal pruritus in late summer and autumn.
  • Diagnosis: visualization and identification of mites, orange mites seen with naked eye.
  • Treatment: many antiparasitic agents effective.
  • Prognosis: excellent although may recur.

Pathogenesis

Pathophysiology

  • Larvae parasitize mammalian host (interdigital area) → local irritation/hypersensitivity.

Epidemiology

  • Adult trombiculid lives in decaying organic matter.
  • Larvae emerge in late summer/autumn.

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Nuttall T J, French A T, Cheetham H C & Proctor F J (1998) Treatment of Trombicula autumnalis infection in dogs and cats with a 0.25% fipronil pump spray. JSAP 39 (5), 237-239 VetMedResource.


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