A new species of ptyctimous mites of the genus Arphthicarus (Oribatida, Steganacaridae) is described from the litter in East Tibet, China. Arphthicarus olszanowskiisp. nov. differs from Arphthicarus indicus (Bayoumi et Mahunka, 1979) by prodorsal lateral carinae absent, lamellar setae longer than half length of interlamellar setae, vestigial notogastral setae present, mentum setae h<h–h, formula of genital setae 7(4+3): 2, and setae ad3 much shorter than ad2. A key to all known species of Arphthicarus from the Palaearctic and Oriental Regions is proposed to facilitate further studies of this group.
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30 September 2020
Arphthicarus olszanowskii sp. nov. (Acari: Oribatida: Steganacaridae) from Tibet, China with a Key to Known Species of Arphthicarus from the Palaearctic and Oriental Regions
Dong Liu
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Annales Zoologici
Vol. 70 • No. 3
September 2020
Vol. 70 • No. 3
September 2020
morphology
ptyctimous mites
soil mites
systematics