Zercon

Karaca, Mehmet & Urhan, Raşit, 2016, Five new species of Zercon C. L. Koch, 1836 (Acari: Zerconidae) from northwestern Turkey, Zootaxa 4127 (1), pp. 31-59 : 55-57

Key to species of genus Zercon known from Turkey (based on adult females)

1. Anterior margin of ventrianal shield with one pair of setae..................................................... 2

- Anterior margin of ventrianal shield with two pairs of setae.................................................. 23

2. Seta S3 not reach beyond opisthonotum.................................................................. 3

- Seta S3 reach beyond opisthonotum..................................................................... 8

3. Seta S3 smooth...................................................................................... 4

- Seta S3 finely barbed with hyaline ending................................................................. 5

4. Setae J3–J5 and Z3 short, smooth and needle-like................................................ lepurus Błaszak

- Setae J3–J5 and Z3 long and finely barbed.................................................. hispanicus Sellnick

5. Seta Z5 with hyaline ending............................................................................ 6

- Seta Z5 without hyaline ending......................................................................... 7

6. Marginal R setae short and one barbed.................................................... osmaneliensis Urhan

- Marginal R setae long, finely barbed with hyaline ending............................... istanbulensis Duran & Urhan

7. Pore Po1 located outside above the base of seta Z1, setae S3 and S2 about same length................. colligans Berlese

- Pore Po1 located inside above the base of seta Z1, seta S3 longer than seta S2.................. marinae Ivan & Călugăr

8. Seta J4 with hyaline ending............................................................................ 9

- Seta J4 without hyaline ending......................................................................... 14

9. Seta J5 reach beyond opisthonotum................................................ plumatopilus Athias-Henriot

- Seta J5 not reach beyond opisthonotum.................................................................. 10

10. Pore Po2 located outside of line connecting between setae S1–S2................................... huseyini Urhan

- Pore Po2 located inside of line connecting between setae S1–S2.............................................. 11

11. Seta S2 without hyaline ending........................................................... insperatus Błaszak

- Seta S2 with hyaline ending........................................................................... 12

12. Pore Po1 located inside base of seta Z1........................................................ cretensis Ujvári

- Pore Po1 located outside base of seta Z1................................................................. 13

13. Setae J2 and S2 smooth...................................................................... laczii Ujvári

- Setae J2 and S2 with hyaline ending....................................................... salebrosus Błaszak

14. Setae J3–J5 short, smooth and needle-like................................................................ 15

- Setae J3–J5 finely barbed............................................................................. 17

15. Seta J5 long and reach beyond opisthonotum................................................ longisetosus Urhan

- Seta J5 short and not reach beyond opisthonotum.......................................................... 16

16. Setae J3 and J4 reach base of following seta in series, seta Z5 one barbed.............................. fragilis Urhan

- Setae J3 and J4 not reach base of following seta in series, seta Z5 short and smooth.................... nemoralis Urhan

17. Setae R1–R3 short, smooth and needle-like............................................................... 18

- Setae R1–R3 finely barbed............................................................................ 19

18. Seta Z3 short, smooth and needle-like, not reach base of seta Z4................................... ignobilis Błaszak

- Seta Z3 long, finely barbed with hyaline ending, reach to base of seta Z4........................... inonuensis Urhan

19. Seta Z4 not reach beyond opisthonotum................................................................. 20

- Seta Z4 reach beyond opisthonotum.................................................................... 21

20. Setae j2 and r1–r3 finely barbed.......................................................... caucasicus Błaszak

- Setae j2 and r1–r3 short, smooth and needle-like............................................. adoxyphes Błaszak

21. Seta S2 finely barbed with hyaline ending.................................................... solenites HaarlØv

- Seta S2 short, smooth and needle-like................................................................... 22

22. Setae S3 and S4 without hyaline ending, setae R4–R7 short, smooth and needle-like................ hungaricus Sellnick

- Setae S3 and S4 with hyaline ending, setae R4–R7 little barbed.................................... separatus Urhan

23. Extra setae present between J and Z series.................................................. trabzonensis Urhan

- Extra setae absent between J and Z series................................................................ 24

24. Setae S3 and S4 absent............................................................................... 25

- Setae S3 or S4 present............................................................................... 26

25. Setae in R series with 7 pairs, short, smooth and needle-like, adherent to edge of opisthonotum.............. sklari Balan

- Setae in R series with 8 pairs, long, one or two barbed.......................... sklarsimilis Karaca & Urhan sp. nov.

26. Seta S2 absent...................................................................................... 27

- Seta S2 present..................................................................................... 28

27. Setae J2–J5 short, smooth and needle-like, bases of setae J6 and Z5 close together, setae in R series short, smooth and needle- like.................................................................................. beleviensis Urhan

- Setae J2–J5 finely barbed with hyaline ending, bases of setae J6 and Z5 not close together, setae in R series little barbed...................................................................................... imperfectsetosus Urhan

28. All setae in R series smooth........................................................................... 29

- All setae in R series not smooth........................................................................ 51

29. Seta S3 absent...................................................................................... 30

- Seta S3 present..................................................................................... 35

30. Seta S4 short, without hyaline ending and oblique position..................... geliboluensis Karaca & Urhan sp. nov.

- Seta S4 long, with hyaline ending and upright position...................................................... 31

31. Seta Z3 absent........................................................................ tefenniensis Urhan

- Seta Z3 present..................................................................................... 32

32. Setae J2–J4 reach base of following seta in series.................................................. yusufi Urhan

- Setae J2–J4 not reach base of following seta in series....................................................... 33

33. Seta J2 short, smooth and needle-like.......................................................... alattini Urhan

- Seta J2 finely barbed................................................................................ 34

34. Dorsal cavities star shaped................................................................ uludagicus Urhan

- Dorsal cavities semi–moon shaped, dark coloured and well sclerotised............ tekirdagensis Karaca & Urhan sp. nov.

35. All setae smooth on podonotum and opisthonotum......................................................... 36

- All setae not smooth on podonotum and opisthonotum...................................................... 40

36. Seta J5 long and reach beyond opisthonotum............................................................. 37

- Seta J5 short and not reach beyond opisthonotum.......................................................... 38

37. Dorsal cavities about same size.............................................. filiformis Karaca & Urhan sp. nov.

- Outers of dorsal cavities about 3–4 times larger than inners...................................... bulgaricus Balogh

38. Seta s1 absent, outers of dorsal cavities about 2 times larger than inners........................ cabylus Athias-Henriot

- Seta s1 present, dorsal cavities about same size............................................................ 39

39. Pore Po3 located on line connecting setae Z3–Z4............................................ perforatulus Berlese

- Pore Po3 located outside of line connecting between setae Z3–Z4............................... montanus Willmann

40. Seta J6 onlong and without hyaline ending.................................................... honazicus Urhan

- Seta J6 long and with hyaline ending.................................................................... 41

41. Seta S1 finely barbed with hyaline ending................................................................ 42

- Seta S1 smooth..................................................................................... 43

42. Seta j2 finely barbed, seta Z5 finely barbed with hyaline ending............................... mehmeturhani Urhan

- Seta j2 short and smooth, seta Z5 short, smooth and needle-like............................. delicatus Urhan & Ekiz

43. Seta S3 not reach beyond opisthonotum................................................................. 44

- Seta S3 reach beyond opisthonotum.................................................................... 45

44. Dorsal cavities saddle shaped, well sclerotised and on the same horizontal line..................... carpathicus Sellnick

- Dorsal cavities waved star shaped, weakly sclerotised and outers located above from inners............. anatolicus Urhan

45. Setae J4 and J5 finely barbed.......................................................................... 46

- Setae J4 and J5 short, smooth and needle-like............................................................. 48

46. Opisthonotum generally covered with plates, seta Z4 reach beyond opisthonotum................... septemporus Urhan

- Opisthonotum covered with large and frequent spots, seta Z4 not reach beyond opisthonotum....................... 47

47. Setae J4 and J5 with hyaline ending.............................................. similifoveolatus Ivan & Călugăr

- Setae J4 and J5 without hyaline ending................................................... foveolatus Halašková

48. Seta S2 with hyaline ending................................................................. andrei Sellnick

- Seta S2 without hyaline ending........................................................................ 49

49. Seta Z4 reach beyond opisthonotum.................................................. ozkani Urhan & Ayyıldız

- Seta Z4 not reach beyond opisthonotum................................................................. 50

50. Setae in r series little barbed, seta J6 finely barbed............................................ pinicola Halašková

- Setae in r series smooth, seta J6 not finely barbed............................................... berlesei Sellnick

51. Seta S1 with hyaline ending........................................................................... 52

- Seta S1 without hyaline ending........................................................................ 56

52. Seta J2 short, smooth and needle-like................................................ encarpatus Athias-Henriot

- Seta J2 finely barbed with hyaline ending................................................................ 53

53. Seta Z1 finely barbed with hyaline ending...................................................... ayyildizi Urhan

- Seta Z1 short, smooth and needle-like................................................................... 54

54. Setae in R series without hyaline ending....................................................... kallimcii Urhan

- Setae in R series with hyaline ending.................................................................... 55

55. Seta J2 reach to base of seta J3, seta S3 not reach beyond opisthonotum............................ agnostus Błaszak

- Seta J2 not reach to base of seta J3, seta S3 reach beyond opisthonotum............................... salmani Urhan

56. Seta S3 absent...................................................................................... 57

- Seta S3 present..................................................................................... 60

57. Setae J3–J5 finely barbed with hyaline ending............................................................ 58

- Setae J3–J5 short, smooth and needle-like................................................................ 59

58. Setae Z1–Z2 and S1 short, smooth and needle-like............................................. cokelezicus Urhan

- Setae Z1–Z2 and S1 finely barbed..................................................... magdae Ivan & Călugăr

59. Dorsal cavities about same size.......................................................... bulancakensis Urhan

- Outers of dorsal cavities about 2–3 times larger than inners.................................... domanicensis Urhan

60. Seta Z5 smooth and needle-like........................................................................ 61

- Seta Z5 little or finely barbed.......................................................................... 64

61. Seta S3 reach beyond opisthonotum.................................................................... 62

- Seta S3 not reach beyond opisthonotum................................................................. 63

62. Seta J5 reach beyond opisthonotum, all setae in R series with hyaline ending..................... karadaghiensis Balan

- Seta J5 not reach beyond opisthonotum, all setae in R series without hyaline ending................. peltatus C. L. Koch

63. Setae J3–J5 finely barbed, Seta S2 with hyaline ending........................... thracicus Karaca & Urhan sp. nov.

- Setae J3–J5 and S2 short, smooth and needle-like................................................ serratus Urhan

64. Setae J4 and J5 finely barbed with hyaline ending......................................................... 65

- Setae J4 and J5 without hyaline ending.................................................................. 72

65. Seta S2 finely barbed with hyaline ending................................................................ 66

- Seta S2 without hyaline ending........................................................................ 71

66. Bases of setae J6 and Z5 close together.................................................... kezbaniremae Urhan

- Bases of setae J6 and Z5 not close together............................................................... 67

67. Seta J2 finely barbed................................................................................ 68

- Seta J2 smooth and needle-like........................................................................ 69

68. Seta S2 not reach to base of seta S3, dorsal cavities large and dark coloured.................... juvarae Ivan & Călugăr

- Seta S2 reach to base of seta S3, dorsal cavities normal sizes.................................... apladellus Błaszak

69. Setae r1–r3 short, smooth and needle-like, dorsal cavities large and dark coloured.................. quadricavum Urhan

- Setae r1–r3 long and finely barbed, dorsal cavities normal sizes.............................................. 70

70. Seta J5 reach beyond opisthonotum, pore Po2 located inside of line connecting between setae S1–S2................................................................................................... turcicus Urhan & Ayyıldız

- Seta J5 not reach beyond opisthonotum, pore Po2 located outside of line connecting between setae S1–S2.. notabilis Błaszak

71. Seta J3 short and smooth, setae S1–S2 short, smooth and needle-like............................. burdurensis Urhan

- Seta J3 finely barbed with hyaline ending, setae S1–S2 little barbed............................... denizliensis Urhan

72. Setae J1 and Z1 smooth, setae R5–R7 finely barbed....................................... mirabilis Urhan & Öztaş

- Setae J1 and Z1 finely barbed, setae R5–R7 short, smooth and needle-like.................... kackaricus Urhan & Ekiz