Systematic & Applied Acarology
ISSN 1362-1971
An international journal of the Systematic and Applied Acarology Society, published since 1996

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Systematic & Applied Acarology (2007) 12, 167-176

Zibethacarus beeri (Astigmata: Glycyphagidae), a new mite species inhabiting vole nests in western Oregon, U.S.A.


Department of Biology, College of William and Mary, Williamsburg, VA 23187-8795, USA. E-mail:


Zibethacarus beeri sp. nov., is described and illustrated from adults collected from the nest of Microtus oregoni (Bachman) (Rodentia) in western Oregon, U.S.A. Males are approximately half the size of females, and samples collected into alcohol using a Berlese funnel contained males still clinging to the dorsum of females, their modified tibiae of legs II clasping the female’s modified dorsal setae h2. It is probable that such persistent clinging behavior is a result of mate guarding on the part of the male.

Key words: Acari, Glycyphagidae, Zibethacarus, Microtus, Dermacarus, mate guarding

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