Abstract
ABSTRACT A new species, Olopachys masani sp. nov. (Mesostigmata: Pachylaelapidae), is described based on adult female and male specimens collected from soil in Guilan province, northern Iran. Two identification keys are provided, one for all known species of Olopachys, and the other for species recorded from Iran. Collection details for pachylaelapid mites associated with citrus orchards in Guilan province Iran are also provided. http://www.zoobank.org/urn:lsid:zoobank.org:pub:A6C51443-0B15-4DC3-A428-A3E247306990
Highlights
Mites of the family Pachylaelapidae Berlese, 1913 are free-living predatory mites that feed on arthropods and soil-dwelling nematodes
Olopachys was redefined by Koroleva (1977), Karg (1993), Mašán (2007a, 2007b) and Mašán and Halliday (2014) and treated as a genus by these authors, Berlese (1910) had originally considered it as a subgenus of Pachylaelaps
In adult females of Olopachys, anal and genitiventral shields are fused together into a genitiventrianal shield, which does not exist in other pachylaelapid genera
Summary
Mites of the family Pachylaelapidae Berlese, 1913 are free-living predatory mites that feed on arthropods and soil-dwelling nematodes. Guilan Province, in northern Iran, can be considered as one of the most diverse region for Pachylaelapidae in Iran, with 13 found species (Nazari-Tajani et al 2012; Mojahed et al 2017; Mašán et al 2018; this study). In adult females of Olopachys, anal and genitiventral shields are fused together into a genitiventrianal shield, which does not exist in other pachylaelapid genera. Another distinguishing feature for the genus is the shape of the tubes of the sperm access system (Koroleva 1976, 1977; Karg 1993; Mašán 2007a, 2007b).
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