Abstract

A new species of oribatid mites of the genus Christovizetes (Acari: Oribatida: Microzetidae), Christovizetes longisaetosus sp. nov. is described based on adult specimens collected from caves in Yunnan Province, Southwestern China. This genus is reported from China for the first time. The new species could be distinguished from other three known species of the genus by the following combination of characteristics: (1) distinctly longer notogastral setae lm, lp, h<sub>1-3</sub>, (2) notogastral setae lp located anterior to lyrifissure im, (3) each lamellar cusp with four teeth, among which two inner teeth much longer and thinner than two outers, (4) aggenital setae smooth. A key to the four species of this genus is given.

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