Phytoseiidae

Oliveira, Daniel C., Charanasri, Vatana, Kongchuensin, Manita, Konvipasruang, Ploychompoo, Chandrapatya, Angsumarn & De, Gilbert, 2012, Phytoseiidae of Thailand (Acari: Mesostigmata), with a key for their identification, Zootaxa 3453, pp. 1-24: 19-20

publication ID

10.5281/zenodo.282177

publication LSID

lsid:zoobank.org:pub:FB844E9C-69EA-4E9E-8308-8AFA44CF4062

persistent identifier

http://treatment.plazi.org/id/03D787EF-2D49-FF97-FF5F-C2FC6FADF818

treatment provided by

Plazi

scientific name

Phytoseiidae
status

 

Key to the Phytoseiidae  known from Thailand, based on adult females

1. Podonotal region of dorsal shield with 5 or 6 pairs of “lateral” setae (z 3 present or absent, s 6 present)................. 2

- Podonotal region of dorsal shield with 4 pairs of “lateral” setae (z 3 and s 6 absent)............... Amblyseiinae  Muma 10

2. Setae S 2, S 4 and S 5 present........ Typhlodrominae  Wainstein........... Typhlodromus  ( Anthoseius  ) ............ 3

- Setae S 2, S 4 and S 5 absent........................... Phytoseiinae  Berlese.................................. 4

3. Dorsal shield reticulate only along lateral margins; seta Z 4 almost as long as distance between its base and the base of Z 5; StIV about as long as SgeIV............................. Typhlodromus  (Anthoseius) thailandicus Ehara & Bhandhufalck

- Dorsal shield entirely reticulate; seta Z 4 about 0.4 as long as distance between its base and the base of Z 5; StIV about twice as long as SgeIV.................................................... Typhlodromus  (Anthoseius) serrulatus Ehara

4. Podonotal region of dorsal shield with 5 pairs of “lateral” setae (z 3 absent) ... Platyseiella longicervicalis  (Moraes & Denmark)

- Podonotal region of dorsal shield with 6 pairs of “lateral” setae, including z 3 ........... Phytoseius Ribaga.  ........... 5

5. Seta R 1 present...................................................................................... 6

- Seta R 1 absent........................................................................................ 7

6. Seta J 2 absent; seta Z 4 shorter than Z 5; seta j 3 slightly longer the distance between its base and the base of j 4; setae s 4 and s 6 subequal in length; leg IV with macrosetae with rounded apices.......................... Phytoseius subtilis Wu & Li 

- Seta J 2 present; seta Z 4 longer than Z 5; seta j 3 about as long as distance between its base and the base of j 5; seta s 4 longer than s 6; leg IV macrosetae notched at apices............................... Phytoseius hongkongensis Swirski & Shechter 

7. Macroseta of genu IV much shorter than macrosetae of basitarsus and telotarsus of same segment.......................................................................................... Phytoseius brevicrinis Swirski & Shechter 

- Macroseta of genu IV subequal or slightly shorter than macrosetae of basitarsus and telotarsus of same segment.......... 8

8. Seta j 3 shorter than half the distance between its base and the base of z 4; calyx of spermatheca funnel-shaped................................................................................... Phytoseius coheni Swirski & Shechter 

- Seta j 3 about as long as distance between its base and the base of z 4; calyx of spermatheca saccular or cup-shaped........ 9

9. Calyx of spermatheca saccular........................................ Phytoseius neoferox Ehara & Bhandhufalck 

- Calyx of spermatheca cup-shaped................................. Phytoseius fotheringhamiae  Denmark & Schicha

10. Peritremal shield not fused anteriorly with dorsal shield....... Indoseiulini  Ehara & Amano....... Gynaeseius Wainstein 

- Peritremal shield fused anteriorly with dorsal shield......................................................... 11

11. Sternal shield with median posterior projection (often lightly sclerotized and difficult to see); with some forward “migration” of preanal setae JV 2 and ZV 2; cheliceral digits with internal margin concave, with a group of few teeth clustered at distal end of fixed digit............. Euseiini Chant & McMurtry............ Euseius Wainstein.  ...................... 12

- Sternal shield without median posterior projection (except for Amblyseius eharai Amitai & Swirskii  ); without forward “migra- tion” of preanal setae JV 2 and ZV 2; cheliceral digits with internal margin straight, with teeth evenly distributed along fixed digit............................................................................................... 15

12. Dorsal shield mostly smooth, with striations along the anterolateral margins...... Euseius aizawai (Ehara & Bhandhufalck) 

- Dorsal shield entirely reticulate......................................................................... 13

13. Spermathecal calyx relatively long, slender; macrosetae of leg IV knobbed........ Euseius neofustis Moraes & McMurtry 

- Spermathecal calyx short, slightly inflate near atrium; macrosetae of leg IV with sharp tips.......................... 14

14. Dorsal shield jagged near R 1; seta j 3 almost as long as the distance between its base and base of j 4 ........................................................................................ Euseius okumae (Ehara & Bhandhufalck) 

- Dorsal shield smoothly concave near R 1; seta j 3 about half as long as distance between its base and base of j 4 ........................................................................................ Euseius nicholsi (Ehara & Lee) 

15. Seta S 4 absent....................................................................................... 16

- Seta S 4 present..................................................................................... 17

16. Setae S 2 present and S 5 absent................................................... Amblyseiulella amanoi Ehara 

- Setae S 2 absent and S 5 present..................................... Paraphytoseius cracentis (Corpuz & Rimando) 

17. Seta s 4 over 4.0 times as long as Z 1; setae s 4, Z 4, Z 5 and eventually j 1 and j 3 markedly longer than other dorsal setae; seta J 2 present/absent................................. Amblyseiini Muma..................................... 18

- Seta s 4 less than twice as long as Z 1; setae s 4, Z 4 and Z 5 not greatly longer than other dorsal shield setae; seta J 2 present ... 28

18. Seta J 2 present............subtribe Amblyseiina Chant & McMurtry............. Amblyseius Berlese.  ........ 19

- Seta J 2 absent....................................................................................... 25

19. Ventrianal shield vase-shaped, with lateral margins constricted near level of preanal pores........................... 20

- Ventrianal shield pentagonal, not constricted near level of preanal pores......................................... 22

20. Posterior margin of the sternal shield with median projection...................... Amblyseius eharai Amitai & Swirski 

- Posterior margin of the sternal shield straight............................................................... 21

21. Spermathecal calyx tubular, of uniform diameter................................... Amblyseius largoensis (Muma) 

- Spermathecal calyx widening towards vesicle....................................... Amblyseius herbicolus (Chant) 

22. Macroseta of basitarsus IV longer than macroseta of genu IV; dorsal shield striated anterolaterally........................................................................................ Amblyseius hidakai Ehara & Bhandhufalck 

- Macroseta of basitarsus IV shorter than macroseta of genu IV; dorsal shield entirely smooth......................... 23

23. Spermathecal calyx 5-8 µm long; longitudinal axis of spermathecal calyx forming about 90 degree angle with the longitudinal axis of base of major duct..................................................... Amblyseius paraaerialis Muma 

- Spermathecal calyx 10-16 µm long; longitudinal axis of spermathecal calyx forming wide obtuse angle with the longitudinal axis of base of major duct.............................................................................. 24

24. Macroseta of tibia IV longer than or as long as macroseta of basitarsus IV............ Amblyseius tamatavensis Blommers 

- Macroseta of tibia IV shorter than macroseta of basitarsus IV................... Amblyseius cinctus Corpuz & Rimando 

25. Seta j 5 present ... subtribe Proprioseiopsina Chant & McMurtry............... Proprioseiopsis Muma.  ............ 26

- Seta j 5 absent ... subtribe Arrenoseiina Chant & McMurtry............... Phytoscutus Muma.  .................. 27

26. Spermathecal calyx longer than its diameter; seta j 3 about 2.3 times as long as j 1 ........ Proprioseiopsis ovatus ( Garman) 

- Spermathecal calyx shorter than its diameter; seta j 3 about 1.4 times as long as j 1 ..................................................................................................... Proprioseiopsis lenis (Corpuz & Rimando) 

27. Seta z 2 about half as long as distance between its base and the base of z 4; ventrianal shield with three pairs of preanal setae............................................................................. Phytoscutus salebrosus (Chant) 

- Seta z 2 about as long as distance between its base and base of z 4; ventrianal shield with five pairs of preanal setae........................................................................ Phytoscutus wongsirii (Ehara & Bhandhufalck) 

28. Genua of legs II and III without macrosetae; fixed cheliceral digit with fewer than six teeth........................... Neoseiulini Chant & McMurtry........................................ Neoseiulus Hughes.  ................ 29

- Genua of legs II and III with macrosetae (in S. siamensis  absent on genu II); fixed cheliceral digit with more than six teeth ... Typhlodromipsini Chant & McMurtry................................................................... 33

29. Dorsal shield smooth................................................................................. 30

- Dorsal shield reticulated............................................................................... 31

30. Idiosomal dorsal setae barbed (except j 1, J 5 and S 5); “dorsocentral” setae j 3 -j 6 longer than distance between their bases and bases of corresponding subsequent setae of the series.............................. Neoseiulus longispinosus (Evans) 

- Idiosomal dorsal setae smooth (except Z 4 and Z 5); “dorsocentral” setae j 3 -j 6 at most half as long as distance between their bases and bases of the corresponding subsequent setae of the series......................... Neoseiulus barkeri Hughes 

31. Seta j 3 longer than distance between its base and base of j 4; leg IV with three macrosetae, on genu, tibia and basitarsus, respec- tively............................................................ Neoseiulus imbricatus (Corpuz & Rimando) 

- Seta j 3 less than half as long as distance between its base and the base of j 4; leg IV with only one macroseta, on basitarsus. 32

32. Distance between ventrianal pores approximately subequal to distance between each pore and the nearest JV 2 ..................................................................................... Neoseiulus baraki (Athias-Henriot) 

- Distance between ventrianal pores about 2.5 times as long as distance between each pore and the nearest JV 2 .......................................................................................... Neoseiulus taiwanicus (Ehara) 

33. Dorsal shield reticulate, with prominent waist at level of R 1 ........................... Typhlodromips syzygii (Gupta) 

- Dorsal shield mostly smooth, with striae only along anterolateral margins; dorsal shield without prominent waist at level of seta R 1 ......................... Scapulaseius Karg and Oomen-Kalsbeeck.  ................................. 34

34. Setae R 1 usually on dorsal shield (eventually one R 1 off dorsal shield, as in S. asiaticus  )............................ 35

- Setae R 1 on interscutal membrane...................................................................... 36

35. Dorsal shield with a lobe on margin next to R 1; seta Z 5 about 1.5 times as long as Z 4 ....... Scapulaseius asiaticus (Evans) 

- Dorsal shield without marginal lobe; seta Z 5 about 4.0 times as long as Z 4. Scapulaseius siamensis (Ehara & Bhandhufalck) 

36. Ventrianal shield vase-shaped............................................... Scapulaseius cantonensis (Schicha) 

- Ventrianal shield pentagonal........................................................................... 37

37. Macroseta of genu IV knobbed and about 0.5 times as long as macroseta of tarsus IV; seta Z 5 about twice as long as Z 4 .............................................................................. Scapulaseius okinawanus (Ehara) 

- Macrosetae of genu IV sharp-tipped and about as long as macroseta of genu IV; seta Z 5 about 5.0 times as long as Z 4 ..................................................................... Scapulaseius anuwati (Ehara & Bhandhufalck)