Protoribates Berlese 1908
Creators: name: Chen, Shujing Xu Yannan
name: Chen, Jun
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Sarcoptiformes
Protoribatidae
Protoribates

description: Key to the Chinese species of the genus Protoribates
1. Adanal setae ad 1 barbed, ad 2 smooth; ad 1 longer and thicker than ad 2 ............................................ 2
- Both adanal setae ad 1 and ad 2 smooth or barbed; ad 1 not longer and thicker than ad 2 ................................ 3
2. Bothridial setae setiform; distance between notogastral porose areas A1–A1 shorter than A2–A2; notogastral setae lp inserted posteriorly or posteromedially to A1; body size: 505 × 285.................... P. varisetiger (Wen, Aoki & Wang, 1984)
- Bothridial setae with slightly unilaterally dilated head; distance between notogastral porose areas A1–A1 subequal to A2–A2; notogastral setae lp inserted anteromedially to A1; body size: 470–650 × 275–382.............. P. dentatus (Berlese, 1883)
3. Lamellar setae le distinctly thicker than rostral setae ro and interlamellar setae in, like tusk (see fig. 13); body size: 469–509 × 302–375............................................................. P. crassisetiger nipponicus Fujita, 1989
- Lamellar setae le similar to or slightly narrower than rostral setae ro and interlamellar setae in in thickness.............. 4
4. Legs monodactylous................................................................................... 5
- Legs heterotridacylous................................................................................ 10
5. Notogastral setae long (more than 30 μm) and barbed (except setae c, short and smooth) (see fig. 1); body size: 520–700 × 310–460............................................................................. P. tibetensis sp. nov.
- Notogastral setae short or minute (less than 20 μm), smooth................................................... 6
6. Lamellar setae le shorter than or similar to notogastral setae; anterior notogastral margin fine......................... 7
- Lamellar setae le longer than notogastral setae; anterior notogastral margin distinct................................. 8
7. Bothridial setae seriform or with slightly unilaterally dilated head (see fig. 23); body size: 315–460 × 144–225............................................................................... P. cattienensis Ermilov & Anichkin, 2011
- Bothridial setae with unilaterally dilated head (see fig. 15); body size: 400–430 × 184–200........ P. geonjiensis Choi, 1994
8. Bothridial setae setiform; adanal setae ad 1 and ad 2 barbed; custodium present; body size: 525–565 × 300–330....................................................................................... P. lophothrichus (Berlese, 1904)
- Bothridial setae with unilaterally dilated, barbed head; adanal setae ad 1 and ad 2 smooth; custodium absent............... 9
9. Adanal setae ad 1 and ad 2 distinctly longer than anal setae; lamellar setae le barbed, longer than their mutual distance, inserted on lamellar ends; dorsophragmata comparatively short; body size: 385–560 × 185–325.......... P. oblongus (Ewing, 1909)
- Adanal setae ad 1 and ad 2 similar to anal setae in length; lamellar setae le smooth, short, usually not more than half of their mutual distance, inserted medially to lamellar ends; dorsophragmata comparatively long; body size: 320–440 × 238–266.................................................................................... P. capucinus Berlese, 1908 *
10. Adanal setae ad 1 and ad 2 distinctly longer than anal setae..................................................... 11
- Adanal setae ad 1 and ad 2 similar to anal setae in length....................................................... 12
11. Adanal setae ad 1 1.3–1.6 × their mutual distance; femora II ventroanteriorly pointed; notogastral porose areas A1 occasionally divided into two pores on both sides or on one side; body size: 660–872 × 440–620............... P. magnus (Aoki, 1982)
- Adanal setae ad 1 less than 1.0 × their mutual distance; femora II ventroanteriorly rounded; notogastral porose areas A1 not divided; body size: 520–660 × 320–400................................................. P. sichuanensis sp. nov.
12. Genital setae four pairs; body size: 390–425 × 180–185.......................... P. tenuis (Wen, Aoki & Wang, 1984)
- Genital setae five pairs................................................................................ 13
13. Notogastral setae eight pairs; interlamellar setae in and lamellar setae le longer than bothridial setae; distance between notogastral porose areas A1–A1 subequal to A2–A2 ............................................. P. urbanlus (Tseng, 1984)
- Notogastral setae ten pairs; interlamellar setae in and lamellar setae le shorter than bothridial setae; distance between notogastral porose areas A1–A1 shorter than A2–A2; body length: 680.............................. P. acutus (Hammer, 1979)
description: Published as part of Chen, Shujing Xu Yannan & Chen, Jun, 2020, New species and records of oribatid mites of the genus Protoribates (Acari Oribatida, Haplozetidae) from China, pp. 469-511 in Zootaxa 4772 (3) on pages 506-507, DOI: 10.11646/zootaxa.4772.3.3, http://zenodo.org/record/3819734