Mesocallis, Matsumura, 1919

Lee, Yerim, Kanturski, Mariusz & Lee, Seunghwan, 2018, Psammoecus simonis Grouvelle 1892, Zoological Studies 57 (17), pp. 1-20 : 3-4

publication ID	https://doi.org/ 10.6620/ZS.2018.57-17
persistent identifier	https://treatment.plazi.org/id/A5548797-5853-7E3B-E425-20B8FD06FD5A
treatment provided by	Felipe
scientific name	Mesocallis
status

Treatment

Key to the subgenera and species of Mesocallis View in CoL

1. ABD margin with a single pointed seta on ABD I-IV (subgenus Mesocallis ) ...................................................... 2

- ABD margin with 2-3 setae on ABD I-IV (subgenus Paratinocallis ) ................................................................... 7

2. Head vertex and ANT I-III pale ......................................... 3

- Head vertex including ANT I-III blackish ........................... 5

3. PT 0.80-1.25 × BASE, URS with 4-5 accessory setae ........ .............................................................. M. (M.) sawashibae View in CoL

- PT 0.60-0.70 × BASE, URS with 2-3 accessory setae ..... 4

4. ANT 0.59-0.61 × BL, ANT III with 9-11 secondary rhinaria, URS 0.80-0.90 × HT II (Gosh and Quednau 1990) ............. .................................................................... M. (M.) alnicola

- ANT 0.61-0.75 × BL, ANT III with 4-7 secondary rhinaria, URS 0.50-0.55 × HT II (Gosh and Quednau 1990) ............. ............................................................. M. (M.) obtusirostris

5. ANT III with 6-9 secondary rhinaria, URS 0.06-0.07 mm with 2 accessory setae ( Quednau 2003) .......... M. (M.) taoi View in CoL

- ANT III with 12-16 secondary rhinaria, URS 0.10-0.14 mm with 4 or more accessory setae ........................................ 6

6. PT 0.06-0.08 mm long, URS 0.10-0.11 mm long with 4-6 accessory setae, cauda with 10-15 setae ........................... ....................................... M. (M.) carpinicola Lee Y. View in CoL sp. nov.

- PT 0.08-0.10 mm long, URS 0.11-0.14 mm long with 8-9 accessory setae, cauda with 7-11 setae ..... M. (M.) pteleae View in CoL

7. PT 0.6-0.7 × BASE, ABD dorsum with spinulous capitate spinal setae ( Quednau 2003) ............. M. (P.) yunnanensis

- PT 0.83-1.10 × BASE, ABD dorsum without spinulous capitate spinal setae ......................................................... 8

8. ANT 0.75-0.92 × BL and URS 0.80-1.00 × HT II ................. .................................................................. M. (P.) corylicola View in CoL

- ANT 0.60-0.77 × BL and URS 1.00-1.14 × HT II ................. .............................................. M. (P.) occulta Lee Y. View in CoL sp. nov.