Zercon

Urhan, Raşit, 2007, A new species of the genus Zercon (Acari, Zerconidae) from Turkey, Zootaxa 1463, pp. 47-54 : 52-53

Key to the adults of the genus Zercon known from Turkey

1. Anterior margin of ventri-anal shield with two setae .................................................................................. 2

– Anterior margin of ventri-anal shield with four setae................................................................................ 12

2. Long setae of opisthonotum with hyaline tip .............................................................................................. 3

– Long setae of opisthonotum without hyaline tip ....................................................................................... 10

3. Setae J4–J5 finely barbed or with hyaline tip................................................................................................. 6

– Setae J4–J5 smooth......................................................................................................................................... 4

4. Seta S2 with hyaline tip .............................................................................................solenites Haarlov, 1942

– Seta S2 smooth ............................................................................................................................................. 5

5. Seta S3 smooth ............................................................................................................lepurus Błaszak, 1979

– Seta S3 with hyaline tip ..............................................................................................separatus Urhan, 2001

6. Setae J4–J5 finely barbed ............................................................................................................................... 7

– Setae J4–J5 with hyaline tip ........................................................................................................................... 8

7. Seta S2 finely barbed and without hyaline tip ................................................................fragilis Urhan, 2001

– Seta S2 with hyaline tip ............................................................................................. nemoralis Urhan, 2001

8. Seta S3 not reaching margin of opisthonotum ...........................................................colligans Berlese, 1920

– Seta S3 reaching margin of opisthonotum.................................................................................................... 9

9. Seta J3 with hyaline tip .......................................................................... plumatopilus Athıas-Henrıot, 1961

– Seta J3 smooth ........................................................................................................ insperatus Błaszak, 1979

10. Pores Po3 on the line connecting setae Z4–J5, seta Z4 not reaching posterior margin of opisthonotum ......... ..................................................................................................................................ignobilis Błaszak, 1979

– Pores Po3 anterior to the line connecting setae Z4–J4, seta Z4 reaching posterior margin of opisthonotum11

11. Seta j2 short and smooth ........................................................................................adoxyphes Błaszak, 1979

– Seta j2 long and barbed ......................................................................................... caucasicus Błaszak, 1979

12. Eight extra setae between the setal rows J–J and J–Z ........................................... trabzonensis Urhan, 1997

– No extra setae between the setal rows J–J and J–Z ................................................................................... 13

13 Setae J4–J5 smooth......................................................................................................................................... 4

– Setae J4–J5 finely barbed or with hyaline tip .............................................................................................. 23

14. Seta S3 absent ...........................................................................................................beleviensis Urhan, 2002

– Seta S3 present............................................................................................................................................ 15

15. Seta S3 finely barbed .................................................................................................... serratus Urhan, 2001

– Seta S3 smooth or with hyaline tip............................................................................................................. 16

16. Setae S3 and S4 with hyaline tip.................................................................................................................. 17

– Setae S3 and S4 smooth............................................................................................................................... 19

17. Seta Z3 short and smooth ............................................................................. ozkani Urhan & Ayyıldız, 1993

– Seta Z3 long and with hyaline tip............................................................................................................... 18

18. Seta S2 short and smooth ....................................................................................... pinicola Halašková, 1969

– Seta S2 long and with hyaline tip .................................................................................andrei Sellnıck, 1958

19. Long setae of opisthonotum thick and terminally broad ...........................................berlesei Sellnıck, 1958

– Long setae of opisthonotum thin and smooth............................................................................................ 20

20. Seta S3 projecting beyond the margin of opisthonotum............................................................................. 21

– Seta S3 not reaching the margin of opisthonotum ................................................perforatulus Berlese, 1904

21. Pores Po3 between setal rows J–Z; outer dorsal pits twice as large as inner pits....................................... 22

– Pores Po3 between setal rows Z–S; dorsal pits uniform in size ........................... montanus Wıllmann, 1943

22. Seta J3 not reaching the bases of seta J4 .......................................................... cabylus Athıas-Henrıot, 1961

– Seta J3 reaching the bases of seta J4 ........................................................................bulgaricus Balogh, 1961

23. Pores Po3 between setal rows Z–S ............................................................................notabilis Błaszak, 1979

– Pores Po3 between setal rows J–Z ................................................................................................................. 24

24. Setae J4–J5 finely barbed ............................................................................................................................ 25

– Setae J4–J5 with hyaline tip ......................................................................................................................... 26

25. Setae S2 and S3 finely barbed .......................................................................kackaricus Urhan & Ekiz, 2002

– Setae S2 and S3 with hyaline tips ........................................................................... septemporus Urhan, 2001

26. Seta J3 short and smooth ............................................................................................................................ 27

– Seta J3 long and with hyaline tip................................................................................................................ 28

27. Seta S2 short and smooth ........................................................................................ burdurensis Urhan, 2001

– Seta S2 with hyaline tip ............................................................................................. kezbaniremae sp. nov.

28. Seta S1 smooth ..................................................................................................... quadricavum Urhan, 2001

– Seta S1 finely barbed or with hyaline tip.................................................................................................... 29

29. Seta S1 finely barbed ..................................................................................turcicus Urhan & Ayyıldız, 1993

– Seta S1 with hyaline tip .............................................................................................................................. 30

30. Setae R1–R7 smooth ....................................................................................... delicatus Urhan & Ekiz, 2002

– Setae R1–R7 finely barbed or with hyaline tip............................................................................................ 31

31. Setae R1–R7 finely barbed ......................................................................................apladellus Błaszak, 1979

– Setae R1–R7 with hyaline tip ...................................................................................................................... 32

32. Setae J1 and Z1 with hyaline tip ....................................................................................ayyildizi Urhan, 1997

– Setae J1 and Z1 smooth ............................................................................................................................... 33

33. Setae J5 and Z4 not reaching posterior margin of opisthonotum .............................. agnostus Błaszak, 1979

– Setae J5 and Z4 reaching posterior margin of opisthonotum ......................................... salmani Urhan, 2002