Oppiella (Oppiella) nova ( Oudemans, 1902 )

Nakamura, Y. - N., Fukumori, S. & Fujikawa, T., 2010, Oribatid Fauna (Acari, Oribatida) From The Kumaya Cave Of Iheya Village In Central Ryukyu Arc, South Japan, With A Description Of Several New Species, Acarologia 50 (4), pp. 439-477 : 446-447

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https://doi.org/ 10.1051/acarologia/20101988

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Oppiella (Oppiella) nova ( Oudemans, 1902 )


Oppiella (Oppiella) nova ( Oudemans, 1902)

[Japanese name: Namitsubudani] ( Fig. 5 View FIGURE and Plate 2)

Eremaeus novus Oudemans, 1902, Tijdschr. Ent.,

46, pp. 6-7, pl. 2, fig. 22.

Oppia nova: van der Hammen, 1952 , Zool. Verh.,

No.17, pp. 51-52, fig. 6a.

Oppiella nova: Hammer, 1968 , Biol. Skr. Dan. Vid. Selsk., 16(2), p. 13; Fujikawa, 1981, Edaphologia, (24), p. 20, figs. 1 and 2; Fujikawa, 1999, Edaphologia, (62), pp. 23-28, figs. 12-19 and 21-28, tables 1 and 4.

Oppiella (Oppiella) nova: Subías, 2004 , Graellsia, 60, p.128.

Diagnosis — Body length 314 µm; width 150 µm. Parallel lamellar ridges connected with transversal ridge. Medial anterior part of notogaster not extending anterior crista. Setae c 2 glabrous. Epimeral grooves I, II and IV distinct. Setae ft ’ on tarsi I long.

Material examined — One female (NSMT-Ac 13589): from point A.

Measurements — Body length 314 µm; width 150 µm. Body colour light yellow brown.

Supplementary description — Morphological variation in form of lamellar region, anterior part of notogaster, setae c 2 and epimeral region, type A, A, A, and C, respectively (Pl. 2). The nomenclature used in the Figs. 15 View FIGURE and 16 View FIGURE is the one used by Fujikawa (1999).

Distribution — Cosmopolitan.

Remarks — The examined specimen has longer setae ft ’ on tarsi I than that of specimens collected in a nature farm in Hokkaido ( Fujikawa, 1981) ( Fig. 5 View FIGURE ). The present species is known as fungivorous, parthenogenetic and cosmopolitan species, with a fossil history of about 8,000 years ago ( Karppinen and Koponen, 1973). Only the present species has been found in a deep horizontal drift of gold mine (Fujikawa, private information). Only the present species was collected from the point A where the wall and floor were covered with only sand or fragment of psephite without organic matter. It was observed that a total of 12,803 adults were issued from one female (for twelve years) and that this species was able to crawl in any crevice ( Fujikawa, 1999). While Tectocepheus velatus ( Michael, 1880) was not found from crevice the species rared with the same condition with O. nova .














Oppiella (Oppiella) nova ( Oudemans, 1902 )

Nakamura, Y. - N., Fukumori, S. & Fujikawa, T. 2010

Oppiella (Oppiella) nova: Subías, 2004

Subias 2004

Oppiella nova:

Hammer 1968