Yoshiobodes (Dongnaiobodes) biconcavus, Ermilov, Sergey G., Shtanchaeva, Umukusum Ya., Subías, Luis S. & Anichkin, Alexander E., 2014

Ermilov, Sergey G., Shtanchaeva, Umukusum Ya., Subías, Luis S. & Anichkin, Alexander E., 2014, A new subgenus and three new species of oribatid mites of the genus Yoshiobodes (Acari, Oribatida, Carabodidae) from Vietnam, Zootaxa 3795 (4), pp. 401-420 : 418-419

Key to known subgenera and species of Yoshiobodes

1. Five to six pairs of genital setae present..................... 2 (subgenus Yoshiobodes (Dongnaiobodes) subgen. nov.)

- Four pairs of genital setae present........................................................................ 3

2. Humeral regions of notogaster with large concavity; sensilli narrowly spindle-form; body size: 364–431 × 221–249........................................................... Yoshiobodes (Dongnaiobodes) biconcavus sp. nov. ( Vietnam)

- Humeral regions of notogaster without large concavity; sensilli with clear developed clavate head; body size: 315–348 × 166–199............................................ Yoshiobodes (Dongnaiobodes) hexasetosus sp. nov. ( Vietnam)

3. Sensilli narrowly spindle-form, with strong spines unilaterally or short, clavate; all notogastral setae of similar morphology...................................................................... 4 (subgenus Yoshiobodes ( Yoshiobodes ))

- Sensilli with long stalk and short head; notogastral setae of different morphology....................................................................................................... 11 (subgenus Yoshiobodes ( Berndobodes ))

4. Prodorsum with three pairs of additional setae on each side; notogaster surface reticulate; body size: 298–381 × 166–215.................................................... Yoshiobodes (Yoshiobodes) neotrichorostralis sp. nov. ( Vietnam)

- Prodorsum without additional setae; notogaster surface tuberculate............................................. 5

5. Fifteen pairs of notogastral setae present.................................................................. 6

- Fourteen pairs of notogastral setae present................................................................. 8

6. Centrodorsal notogastral setae dilated distally, truncate; body size: 306–342 × 183–209.................................................................................. Yoshiobodes (Yoshiobodes) humidus Mahunka, 1996 (Borneo)

- Centrodorsal notogastral setae not truncate, not dilated distally................................................. 7

7. Notogastral setae phylliform, with narrowly pointed tip; body size: 299 × 152.................................................................................. Yoshiobodes (Yoshiobodes) papuanus ( Balogh, 1970 b) 1 (New Guinea)

- Notogastral setae phylliform, with wide tip; body size: 294–352 × 156–196.......................................................... Yoshiobodes (Yoshiobodes) irmayi Balogh & Mahunka, 1969 2 (Neotropical region and southern U.S. A)

8. Sensilli clavate, with short head; aggenital setae phylliform; body size: 310–436 × 163–245.................................................. Yoshiobodes (Yoshiobodes) nakatamarii ( Aoki, 1973 3) (Oriental and eastern Palaearctic regions)

- Sensilli narrow spindle-form, with strong spines unilaterally; aggenital setae simple................................ 9

9. Rostral setae very thick, dilated in basal and medial part; centrodorsal setae of notogaster phylliform, long, c 1 reaching inser- tions of da; body size: 272–321 × 178–203................ Yoshiobodes (Yoshiobodes) arcuatus Mahunka, 1987 (Borneo)

- Rostral setae setiform; centrodorsal setae of notogaster short, plumose, c 1 clearly not reaching insertions of da .......... 10

1. See also Mahunka 1987.

10. Centrodorsal notogastral setae very small, clearly shorter than interlamellar setae; adanal setae simple; body size: 363 × 196............................................... Yoshiobodes (Yoshiobodes) plumosulus ( Balogh, 1970 a) ( Sri Lanka)

- Centrodorsal notogastral setae of medium size, similar in length to interlamellar setae; adanal setae weakly plumose; body size: 332–353 × 191–201.......................... Yoshiobodes (Yoshiobodes) plumosus ( Balogh, 1970 a) ( Sri Lanka)

11. Notogastral setae c 1, c 2 narrowly phylliform, c 3 phylliform; four pairs of centrodorsal notogastral setae larger than others; body size: 252–382 × 139–203.............................. Yoshiobodes (Berndobodes) hauseri Mahunka, 1996 (Borneo)

- Notogastral setae c 1, c 2, c 3 simple, thin; centrodorsal notogastral setae not larger than others; body size: 312–376 × 176–238.................................................... Yoshiobodes (Berndobodes) spiculifer Mahunka, 1986 (Borneo)