Leptus gagzoi (Oudemans, 1910)

Kapankaya, Alperen, Saboori, Alireza, Mayoral, Jaime & Cakmak, Ibrahim, 2023, Some terrestrial Parasitengona with new records of the genera Iberochyzeria, Leptus and Charletonia (Trombidiformes: Chyzeriidae, Erythraeidae) from Türkiye, Ecologica Montenegrina 66, pp. 105-119 : 115-117

Key to species of gagzoi species subgroup (modified from Saboori et al. 2020)

(excluding L. madagascariensis because of insufficient data)

1. Dorsal idiosomal setae foliate ............................................................................................... L. (L.) foliatus Australia

– Dorsal idiosomal setae typical, not foliate ................................................................................................................ 2

2. Scutum striated .......................................................................................................................................................... 3

– Scutum punctate ........................................................................................................................................................ 4

3. L> 85, W> 90 ............................................................................. L. (L.) cameronensis Malaysia (Malay Peninsula)

– L <75, W <70 ................................................................................................................... L. (L.) cultellus Australia

4. Posterior part of bulbus of basal segment of chelicerae with narrow transverse striations L. (L.) flindersi Australia

– Bulbus of basal segment of chelicerae punctate ........................................................................................................ 5

5. fD> 75 ...................................................................................................................................................................... 6

– fD ≤ 72 .................................................................................................................................................................... 11

6. Ti III> 280, Ti I> 230 .............................................................................................................................................. 7

– Ti III <250, Ti I <210 .............................................................................................................................................. 8

7. W> 160, L> 130 ................................................................................................................ L. (L.) tarranus Australia

– W <140, L <120 ............................................................................................................................. L. (L.) calix USA

8. fD> 100, W> 115 ............................................................................................................... L. (L.) agrotis Australia

– fD <95, W <105 ...................................................................................................................................................... 9

9. Ti III/AW <2.3, trochanteral setae pointed ............................................................................................................ 10

– Ti III/AW> 2.3, trochanteral setae blunt-ended ................................................................ L. (L.) belicolus Australia

10. Ti III 105–120, L 64–66, W 80–82 .................................................................................... L. (L.) georgeae Australia

– Ti III 153–186, L 80–107, 91–102 ............................................................................ L. (L.) bathypogonus Australia

11. W> 190 ........................................................................................................................................ L. (L.) stolae Brazil

– W <170 ................................................................................................................................................................... 12 12. Leg I> 730 .............................................................................................................................................................. 13

– Leg I <700 .............................................................................................................................................................. 35

13. Leg I> 900 .............................................................................................................................................................. 14

– Leg I <900 .............................................................................................................................................................. 24

14. Leg I> 1260 ............................................................................................ L. (L.) calidus Malaysia (Malay Peninsula)

– Leg I <1250 ............................................................................................................................................................ 15

15. Leg I> 1100 ............................................................................................................................................................ 16

– Leg I <1080 ............................................................................................................................................................ 20

16. With 4 hypostomal setae ......................................................................................................................................... 17

– With 2 hypostomal setae ......................................................................................................................................... 19

17. L> 125, AW> 100 ..................................................................................................... L. (L.) kattikus Nepal, Vietnam

– L <120, AW <95 .................................................................................................................................................... 18

18. PW <105 ............................................................................................................... L. (L.) draco Papua New Guinea

– PW> 115 .......................................................................................................................... L. (L.) maringensis Congo

19. L> 110, ISD> 70 .................................................................................................... L. (L.) cameroonicus Cameroon

– L <100, ISD <60 ..................................................................................................................... L. (L.) guarani Brazil

20. With 2 hypostomal setae .................................................................................................... L. (L.) kyushuensis Japan

– With 4 hypostomal setae ......................................................................................................................................... 21

21. W> 110 ................................................................................................................................................................... 22

– W <105 ................................................................................................................................................................... 23

22. Sternalae and intercoxalae fusiform ............................................. L. (L.) cheesmanae Australia, Papua New Guinea

– Sternalae and intercoxalae slender ......................................................................... L. (L.) andongensis South Korea

23. ASens <50, PSens <85 .......................................................................................... L. (L.) hidakai Japan, Singapore

– ASens> 55, PSens> 95 ................................................................................................................ L. (L.) zhangi Iran

24. W> 115 ................................................................................................................................................................... 25

– W <115 ................................................................................................................................................................... 29

25. L> 140, W> 135 ................................................................................................................... L. (L.) jocquei Malawi

– L <135, W <130 .................................................................................................................................................... 26

26. Ta I <130 .................................................................................................................................... L. (L.) cyryli Brazil

– Ta I> 140 ................................................................................................................................................................ 27

27. With 4 hypostomal setae ......................................................................................................... L. (L.) lighti Australia

– With 2 hypostomal setae ......................................................................................................................................... 28

28. L> 125, Leg I> 850 ................................................................................................................ L. (L.) alkmenae India

– L <110, Leg I <760 .......................................................................................................... L. (L.) zhutingensis China

29. L> 125 ................................................................................................................................. L. (L.) carpenteri Congo

– L <110 .................................................................................................................................................................... 30

30. With 4 hypostomal setae .............................................................................................. L. (L.) cerambycius Australia

– With 2 hypostomal setae ......................................................................................................................................... 31

31. L = W ................................................................................................... L. (L.) gagzoi Panama, Trinidad and Tobago

– L <W ...................................................................................................................................................................... 32

32. 1b> 130, 2b> 45 ............................................................................................................ L. (L.) zhejiangensis China

– 1b <110, 2b <35 .................................................................................................................................................... 33

33. PL <65, ASens <35 ....................................................................................................... L. (L.) tiranicus Venezuela

– PL> 75, ASens> 45 ............................................................................................................................................... 34

34. 1b <100, leg I 808 ............................................................................................. L. (L.) managarus Indonesia (Java)

– 1b> 85, leg I 872 ..................................................................................................................... L. (L.) saigusai Japan

35. Leg I> 590 .............................................................................................................................................................. 36

– Leg I <540 .............................................................................................................................................................. 42

36. GL <165 ................................................................................................................................................................. 37

– GL> 170 ................................................................................................................................................................. 38

37. fD 62 ................................................................................................................................. L. (L.) bankensis Australia

– fD 41 ........................................................................................................................................... L. (L.) ruginus USA

38. With 4 hypostomal setae ......................................................................................................................................... 39

– With 2 hypostomal setae ......................................................................................................................................... 40

39. Basal segment of chelicerae suddenly narrowed at the middle ........................................... L. (L.) pincheni Australia

– Basal segment of chelicerae graduately narrowed .......................... L. (L.) balicus Indonesia (Lesser Sunda Islands)

40. fV <25 .................................................................................................................................................................... 41 – fV 34 ...................................................................................................................................... L. (L.) leleupi Tanzania

41. AL 53–62 .......................................................................................................................... L. (L.) planaltensis Brazil

– AL 70–74 ............................................................................................................ L. (L.) agenori Malaysia, Thailand

42. GL> 170 ......................................................................................................... L. (L.) terebrans Indonesia (Sumatra)

– GL <140 ................................................................................................................................................................. 43

43. Leg I> 500 ........................................................................................................................... L. (L.) norrisi Australia

– Leg I <450 .............................................................................................................................................................. 44

44. Leg II <350 ....................................................................................................................... L. (L.) sieversi Venezuela

– Leg II> 400 ........................................................................................................................ L. (L.) puniceus Australia