Neoribates, Berlese, 1914

Yu, Bixiao, Pan, Xue & Liu, Dong, 2024, Neoribates (Neoribates) subiasi sp. nov. (Acari, Oribatida, Parakalummidae) from Changbai Mountain, China, Zootaxa 5556 (1), pp. 122-131 : 130

Key to known species of Neoribates from China

1. Anterior margin of pteromorphs arcuately incised with a projecting and pointed apex (body length: 680)............................................. N. (Parakalumma) lydia Jacot, 1923 (Distribution in China: Shandong, Sichuan, Xinjiang)

- Anterior margin of pteromorphs rounded without pointed apex................................................. 2

2. Bothridial seta setiform (body length: 796–946).............. N. (N.) rotundus Aoki, 1982 (Distribution in China: Taiwan)

- Bothridial seta rod-like or with developed head.............................................................. 3

3. Four pairs of genital setae............................................................................... 4

- Five pairs of genital setae.............................................................................. 11

4. Lamellae fused anteriorly, lamellar setae inserted close to each other (body length: 630).......................................................................... N. (N.) conflatus Zheng & Chen, 2024 (Distribution in China: Henan)

- Lamellae not fused anteriorly, lamellar setae inserted far from each other......................................... 5

5. Rostrum sharply pointed in dorsal view; bothridial seta rod-like without head (body length: 910–1045)....................................................... N. (N.) incisus Hagino, Shimano & Aoki, 2016 (Distribution in China: Taiwan)

- Rostrum rounded in dorsal view; bothridial seta with developed head............................................ 6

6 Bothridial seta short and clavate (body length: 512)............................................................................................. N. (N.) parvisetigerum ( Aoki, 1965) (Distribution in China: Anhui, Jilin, Xinjiang)

- Bothridial seta long, with long stalk and fusiform head........................................................ 7

7. Pteromorph simultaneously foveolate and striate (body length: unknown).......................................................................................... N. (N.) pyramidalis ( Tseng 1984) (Distribution in China: Taiwan)

- Pteromorph smooth................................................................................... 8

8. Notogaster and anogenital region striate (body length: 464–564).................................................................................................. N. (N.) yangensis Ermilov, 2019 (Distribution in China: Taiwan)

- Notogaster and anogenital region not striate................................................................ 9

9. Head of bothridial seta lanceolate having setiform apex (body length: 475–570)............................................................................ N. (N.) cheni Liang & Yang, 2013 (Distribution in China: Guizhou, Shaanxi)

- Head of bothridial seta fusiform, without setiform apex...................................................... 10

10. Lamellar and interlamellar setae with flagellate tip (body length: 430–730)............................ N. (N.) roubali ( Berlese, 1910) (Distribution in China: Anhui, Heilongjiang, Jilin, Shandong, Taiwan, Xinjiang, Yunnan, Zhejiang)

- Lamellar and interlamellar setae without flagellate tip (body length: 450–580)......................................................................................... N. (N.) similis Fujikawa, 2007 (Distribution in China: Henan)

11. Surface of notogaster smooth........................................................................... 12

- Surface of notogaster rough, with particles or striate......................................................... 14

12. Notogaster with 11 pairs of setae; head of bothridial seta oval-shaped (body length: 500–525).................................................................................... N. (N.) subiasi sp. nov. (Distribution in China: Jilin)

- Notogaster with 10 pairs of setae; bothridial seta cup-shaped or with fusiform head................................ 13

13. Bothridial seta cup-shaped, rounded distally; mutual distance ad 1 – ad 2 <ad 2 – ad 3 (body length: 480–490)......................................................... N. (N.) cupulatus Liang, Yang & Tang, 2014 (Distribution in China: Yunnan)

- Bothridial seta with fusiform head, pointed distally; mutual distance ad 1 – ad 2 ≈ ad 2 – ad 3 (body length: 470–530)......................................................... N. (N.) fusiformis Zheng & Chen, 2024 (Distribution in China: Henan)

14. Surface of notogaster striate, seta ad 3 inserted anterior to anal aperture (body length: 514–531)............................................................... N. (N.) striatissimus Ermilov & Starý, 2017 (Distribution in China: Taiwan)

- Surface of notogaster not striate, seta ad 3 inserted lateral to anal aperture (body length: 475–570)................................................................... N. (N.) particula Liang & Yang, 2013 (Distribution in China: Ningxia)