Amblyseius

Kar, Anamika & Karmakar, Krishna, 2021, Description of eleven new species of phytoseiid mites (Acari: Mesostigmata) from Meghalaya state, north eastern India, Zootaxa 5068 (3), pp. 301-354 : 311-313

Key to the species of Amblyseius described or reported from India.

1. Ventrianal shield vase-shaped............................................................................ 2

- Ventrianal shield not vase-shaped....................................................................... 12

2. Spermatheca with calyx elongate, tubular.................................................................. 3

- Spermatheca with calyx dish, cup or bell-shaped............................................................ 6

3. StIV longer than 200............................................. A. conulus Karmakar, Bhowmik & Sherpa, 2017

- StIV shorter than 200.................................................................................. 4

4. Calyx wider at the base of vesicle................................................... A. herbicolus ( Chant, 1959)

- Calyx not wider at the base of vesicle..................................................................... 5

5. JV5 longer 50–60................................................................ A. largoensis ( Muma, 1955)

- JV5 shorter 20–30................................................. A. rubiae Chinniah & Mohanasundaram, 2001

6. Dorsum reticulated.................................................................................... 7

- Dorsum smooth...................................................................................... 8

7. Spermatheca dish-shaped............................................................. A. sijiensis Gupta, 1986 - Spermatheca cup-shaped.......................................................... A. hapoliensis Gupta, 1986

8. Z4 and Z5 serrated................................................................ A. cucurbitae Rather, 1985

- Z4 and Z5 smooth..................................................................................... 9

9. Movable digit toothless............................................................................... 10

- Movable digit with teeth............................................................................... 11

10. Spermatheca bell-shaped............................................................. A. indirae Gupta, 1985 a

- Spermatheca ‘v’-shaped............................................. A. kundurukkae Anithalatha & Ramani, 2004

11. Seta s4 short 40–50.................................................................. A. jarooa Gupta, 1977a

- Seta s4 long 105–110.................................. A. coffeae Sadanandan, 2006 (not A. coffeae De Leon, 1961 ).

12. Seta z4 long, as long as 2/3 distance between bases of z4 and s4 ............................................... 13

- Seta z4 short, not as long as 2/3 distance between bases of z4 and s4 ............................................ 14

13. z4 longer than z2 ................................................................. A. fraterculus Berlese, 1916

- z4 and z2 are equal length............................................ A. mulberricus Sadanandan & Ramani, 2007

14. Z5 exceptionally long 528.................................................... A. koothallensis Anithalatha, 2005

- Z5 shorter than 500................................................................................... 15

15. Dorsum having notch at the level of R1 ................................. A. excelsus Chaudhri, Akbar & Rasool, 1979

- Dorsum without notch at the level of R1 .................................................................. 16

16. Tibia of leg IV without macrosetae................................................. A. rangatensis Gupta, 1977a

- Tibia of leg IV with macrosetae......................................................................... 17

17. Spermatheca with calyx annulated or spiny................................................................ 18

- Spermatheca with calyx not annulated.................................................................... 20

18. Calyx capsule like with spiny outer surface....................... A. parbatabasii Karmakar, Bhowmik & Sherpa, 2017

- Calyx not capsule like but with annulated stalk............................................................. 19

19. StiIV and StIV equal in length........................................................... A. kulini Gupta, 1978c

- StiIV shorter than StIV ............................................................. A. meghalayensis sp. nov.

20. Spermatheca with calyx swollen basally.................................................................. 21

- Spermatheca with calyx not swollen basally............................................................... 24

21. Calyx bell-shaped with bean-shaped atrium............................................ A. crotolariae Gupta, 1977c

- Calyx swollen basally then narrowing and finally flaring distally............................................... 22

22. Calyx with tubular base, followed by a constriction and afterwards with divergent arms distally......... A. azaliae sp. nov.

- Calyx tubular but not constricted........................................................................ 23

23. Calyx flared at the atrium.................................................. A. raoiellus Denmark & Muma, 1989

- Calyx straight not flared at atrium..................................................... A. orientalis Ehara, 1959

24. Spermatheca with calyx dish, disc, cup, bell or V-shaped..................................................... 25

- Spermatheca with calyx saccular or tubular................................................................ 33

25. j1 longer than j3 ............................................................... A. manipurensis Gupta, 1978c

- j1 shorter than j3 ..................................................................................... 26

26. Spermatheca disc or cup-shaped........................................................................ 27

- Spermatheca ‘V’-shaped.............................................................................. 30

27. Spermatheca disc-shaped....................................................... A. neocrotolariae Gupta, 1978b

- Spermatheca cup-shaped.............................................................................. 28

28. j1 and j3 equal in length................................................................ A. rosica Gupta, 1992

- j1 shorter than j3 ..................................................................................... 29

29. Z4 always reaches base of Z5 ......................................................... A. neorykei Gupta, 1977c

- Z4 does not reach the base of Z5 ...................................................... A. shoreae Gupta, 1977c

30. Dorsum reticulated................................................................................... 31

- Dorsum smooth..................................................................................... 32

31. Z5 longer 200–250, smooth, SgeIV longer 140–150, movable digit with single tooth.................................................................................................... A. mohanasundarami Anithalatha (2005)

- Z5 shorter 80–100, serrated, SgeIV shorter 50–60, movable digit with three teeth................ A. eujeniae Gupta, 1977a

32. SgeIV longer 100–110........................................... A. apocynae Chinniah & Mohanasundaram, 2001

- SgeIV shorter 70–80.............................................................. A. paraarealis Muma, 1967

33. Calyx tubular....................................................................................... 34

- Calyx saccular...................................................................................... 42

34. Dorsum smooth anteriorly but rugose posteriorly............ A. channabasavannai Gupta & Daniel, 1978 in Gupta, 1978b

- Dorsum smooth..................................................................................... 35

35. Calyx of spermatheca very short................................ A. brachycalyx Karmakar, Bhowmik &Sherpa, 2017

- Calyx of spermatheca elongated......................................................................... 36

36. All the three macrosetae of leg IV equal in length........................................ A. mcmurtryi Muma, 1967

- All the three macrosetae of leg IV not equal in length........................................................ 37

37. Movable digit toothless............................................. A. malabarensis Anithalatha & Ramani, 2004

- Movable digit with tooth.............................................................................. 38

38. Z4 serrated......................................................................................... 39

- Z4 smooth.......................................................................................... 40

39. Calyx elongated flared at atrium, movable digit with five backwardly directed teeth............................................................................................ A. bengalensis Karmakar, Bhowmik & Sherpa, 2017

- Calyx elongated not flared at atrium, movable digit with four backwardly directed teeth........................................................................................... A. dahliae Karmakar, Bhowmik & Sherpa, 2017

40. StiIV and StIV equal in length........................................................................... 41

- StiIV longer than StIV ............................................................... A. aerialis ( Muma, 1955)

41. Fixed digit of chelicerae with twelve teeth & movable with four teeth........................ A. adhatodae Muma, 1967

- Fixed digit of chelicerae with ten to eleven teeth and movable with one tooth....... A. metaliensis Karmakar & Gupta, 2014

42. Ventrianal shield reticulated..................................................... A. muraleedharani Gupta, 1986

- Ventrianal shield smooth.............................................................................. 43

43. Posterior margin of sternal shield wavy............................................... A. guajavae Gupta, 1978c

- Posterior margin of sternal shield almost straight................ A. pseudoorientalis Chinniah & Mohanasundaram, 2001