Neoribates Berlese 1914

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)