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Mites (burrowing and non-burrowing)

obovis

Synonym(s): Psoroptes, Sarcoptes, Chorioptes, Demodex, Neotrombicula, Trombicula, Psorobia, Raillietia


Introduction

  • Mites are invertebrate arthropods, belonging to the class Arachnida, subclass Acari.
    • These mites fall into 2 orders: 
  1. Sarcoptiformes
    • Often described as Astigmata 
    • Includes Sarcoptes and Psoroptes
    • Respiration occurs through the cuticle
  2. Trombidiformes
    • Often described as Prostigmata 
    • Includes Demodex and Trombicula
    • Respiration occurs through stigmata which are on the anterior body of the mite
  • Their general lifecycle involves the female laying eggs, these hatch into larvae, larvae then moult into nymphs. The nymphs mature into either male or female adult mites.
  • Generally, the whole lifecycle occurs on the host, with all stages present simultaneously.
  • Mites may also be described as burrowing or non-burrowing mites
    • Burrowing mites tunnel into the skin.
      • They tend to have short legs with pulvilli (terminal suckers) on the end of them.
      • They are smaller than the non-burrowing mites, and generally have a circular shape.
    • Non-burrowing mites live on the skin surface and hair
It is worth noting that some of the mites affecting cattle are zoonotic, in addition to affecting multiple other species.

Psoroptes species

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Sarcoptes scabiei

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Demodex bovis

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Chorioptes bovis

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Neotrombicula autumnalis

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Chigger mites

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Psorobia bovis (Psorergates bos)

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Raillietia auris

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMedResource.
  • Milnes A, Mitchell S & Bell S (2012) Emerging skin conditions in cattle. In Practice 34 (10), 588–97. 
  • Krametter-Froetscher R, Leschnik M, Hoegler S , Loewenstein M & Baumgartner W (2006) Occurrence of the ear-mite Raillietia Auris in cattle in Austria. Vet J 171 (1), 186–88. 
  • Rehbein S, Winter R, Visser M et al (2005) Chorioptic mange in dairy cattle: treatment with eprinomectin pour-on. Parasitol Res 98, 21.
  • Taylor M (2000) Use of Anthelmintics in Cattle. In Practice 22 (6) 290–304. 
  • Bates P (1998) Bovine Mange in Great Britain. Cattle Practice (1). 
  • Edmond L C (1986) Ectoparasites of Cattle. Vet Clin North Am Food Anim Pract 2 (2), 299–321. 

Other sources of information

  • Coop T & Wall (2016) Veterinary Parasitology. 4th Edn. Wiley Blackwell.
  • Wall R, Shearer D (2008) Veterinary Ectoparasites. Wiley-Blackwell.
  • Mullen G R & Oconnor B M (2002) Mites (Acari)-23. In: Medical and Veterinary Entomology. pp 449-516.
  • Matthes H F, Bukva V (1993) Features of Bovine Demodecosis (Demodex Bovis Stiles, 1892) In: Mongolia: Preliminary Observations. Folia Parasitologica. pp 154–155.

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