Experimental & Applied Acarology

, Volume 38, Issue 2, pp 181-188

First online:

Rickettsial Agents from Parasitic Dermanyssoidea (Acari: Mesostigmata)

  • Will K. ReevesAffiliated withCenters for Disease Control and Prevention Email author 
  • , Ashley P. G. DowlingAffiliated withDepartment of Entomology, University of Kentucky
  • , Gregory A. DaschAffiliated withCenters for Disease Control and Prevention

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Mites are often overlooked as vectors of pathogens, but have been shown to harbor and transmit rickettsial agents such as Rickettsia akari and Orientia tsutsugamushi. We screened DNA extracts from 27 mites representing 25 species of dermanyssoids for rickettsial agents such as Anaplasma, Bartonella, Rickettsia, and Wolbachia by PCR amplification and sequencing. DNA from Anaplasma spp., a novel Bartonella sp., Spiroplasma sp., Wolbachia sp., and an unclassified Rickettsiales were detected in mites. These could represent mite-borne bacterial agents, bacterial DNA from blood meals, or novel endosymbionts of mites.


Anaplasma Anaplasma phagocytophilum Bartonella Mesostigmata Spinturnix psi Wolbachia