Neotrombicula autumnalis infestation

Buy now to access the full article, existing subscribers login

Sections available in full article Introduction, Presenting signs, Geographic incidence, Pathogenesis, Etiology, Predisposing factors, Pathophysiology, Timecourse (incubation, duration), Epidemiology (population dynamics), Diagnosis, Presenting problems, Client history, Clinical signs, Diagnostic investigation, Differential diagnosis, Treatment, Standard treatment, Prevention, Control, Sequelae, Prognosis, Reasons for treatment failure, Sources, Publications, Vetstream contributor(s),
Contributors Dr Rosanna Marsella DVM DipACVD
Dr Ian Mason BVetMed PhD CertSAD DipECVD MRCVS
Mr David Scarff BVetMed CertSAD MRCVS
Synonyms Harvest mite infestation Trombicula infestation

Introduction

  • Cause : larvae of Neotrombicula autumnalis  Neotrombicula autumnalis  .
  • Signs : facial and pedal pruritus in summer and autumn; orange mites seen with naked eye.
  • Treatment : many antiparasitic agents effective.

Diagnosis

Clinical signs

  • Bright orange mite visible with naked eye, particularly on feet, legs and pinnae (especially Henri's pocket)  Skin: neotrombicula autumnalis infection on paw  .
  • Ulceration and excoriation of ears, face and neck.
  • Secondary bacterial pyoderma.
  • Surface pyoderma of interdigital area  Interdigital dermatitis  .

Diagnosis

Differential diagnosis

Other causes
  • Pruritus.

Sequelae

Prognosis

  • Excellent response to treatment but anticipate annual recurrence.

Reasons for treatment failure

  • Standard reasons for failure  Standard reasons for failure in a treatment  .

Sources

Publications

Refereed papers

  • Recent references fromPubMed.
  • White B (2001)Early Trombicula autumnalis infection.Vet Rec148(6), 188.
  • Hardison J L (1977)A case of Eutrombicula alfreddugesi (chiggers) in a cat.Vet Med Small Anim Clin72(1), 47.

Sample content only, to unlock the full article login or buy now

Loading...