Contribution to the knowledge of the oribatid mite subgenus Galumna (Neogalumna) (Acari, Oribatida, Galumnidae) with description of a new species from Inner Mongolia, Northeast China
2020
Pan, Xue | Liu, Dong
The subgenus Galumna (Neogalumna) (Oribatida, Galumnidae) was represented by only one species in China prior to this work. During investigation of farmland soil biodiversity in eastern China in 2019, a new species, Galumna (Neogalumna) tongliaoensissp. nov., was found from soil of corn farmland in Naiman Banner, Inner Mongolia. Galumna (Neogalumna) tongliaoensissp. nov. can be distinguished from other congeneric species by the following combination of features: bothridial setae with narrow fusiform and barbed head; interlamellar setae extremely short; lamellar and sublamellar lines curving backwards, parallel; four pairs of porose areas oval or circular; genital plates smooth, with large distance between setae g₄ and g₅; postanal porose absent. An updated identification key with data on distribution of known species of the subgenus is presented to facilitate the further study on this group.
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