Phytoseiidae

Ferla, Noeli Juarez, Johann, Liana, Klock, Crisna, Majolo, Fernanda & Botton, Marcos, 2011, Phytoseiid mites (Acari: Phytoseiidae) from vineyards in Rio Grande do Sul State, Brazil, Zootaxa 2976, pp. 15-31 : 26-27

publication ID

https://doi.org/ 10.5281/zenodo.204387

DOI

https://doi.org/10.5281/zenodo.6194900

persistent identifier

https://treatment.plazi.org/id/232387CE-0D0E-EF5D-FF6F-F975FA7ADB15

treatment provided by

Plazi

scientific name

Phytoseiidae
status

 

Key to Phytoseiidae mites found in vineyards of the State of Rio Grande do Sul, Brazil

1. Podonotal region of dorsal shield with four pairs of "lateral" setae: j 3, z 2, z 4 and s 4 .................... Amblyseiinae ... 2

- Podonotal region of dorsal shield with six pairs of "lateral" setae: j 3, z 2, z 3, z 4, s 4 and s 6 present...... Typhlodrominae ... 21

2. Setae j 6 2–3 times longer than distance between their bases; ventrianal shield with one pair of pre-anal setae................................................................................................ Phytoseiulus macropilis

- Setae j 6 less than twice as long as distance between their bases; ventrianal shield with one, two or three pairs of pre-anal setae.................................................................................................... 3

3. Ratio of setae s 4: Z 1 <3.0:1.0; female ventrianal shield vase-shaped; setae s 4, Z 4 and Z 5 not greatly longer than other dorsolateral setae............................................................................................. 4

- Ratio of setae s 4: Z 1> 3.0:1.0; female ventrianal shield pentagonal or vase-shaped; setae s 4, Z 4 and Z 5 distinctly longer than other setae.......................................................................................... 13

4. Legs I, II and III usually without macrosetae; macrosetae present only on leg IV.................................... 5

- Legs I, II and III usually with macrosetae................................................................... 9

5. Spermatheca with atrium forked for at least half its length at junction with major duct, atrium appearing thick-walled......................................................................................... Neoseiulus transversus

- Spermatheca with atrium not deeply forked at junction with neither major duct, not appearing thick-walled.............. 6

6. Dorsal setae strongly barbed................................................................ Neoseiulus tunus

- Dorsal setae not strongly barbed (except Z 4 and Z 5).......................................................... 7

7. Most of the dorsal shield not reaching the basis of the next row............................... Neoseiulus californicus

- Most dorsal shields setae long (around 40–60 µm) often reaching the base of the next row............................ 8

8. Setae s 4, Z 4 and Z 5 length 50, 65, 78 respectively; macrosetae present only on tarsus IV............. Neoseiulus anonymus

- Setae s 4, Z 4 and Z 5 length 28, 46, 64 respectively; macrosetae present only on genu, tibia and tarsus IV.... Neoseiulus fallacis

9. Setae JV 1 inserted well behind anterior margin of shield; peritreme short, extending forward beyond base of setae z 2 (except Euseius inouei )...................................................................................... 10

- Setae JV 1 inserted on or near margin of ventrianal shield; peritreme extending as far as base of setae j 1 ................ 12

10. Dorsal shield mostly smooth with few striae at anterolateral region...................................... Euseius ho

- Dorsal shield reticulated............................................................................... 11

11. Setae r 3 and R 1 on dorsal shield; peritreme extending as far as the region between z 2 and z 4 ............. .. Euseius sibelius

- Setae r 3 and R 1 outside dorsal shield; peritreme extending as far as the region between j 1 and j 3 ....... Euseius inouei

12. Dorsal shield with most setae serrated; setae j 1, j 3, z 2, z 4, Z 1, Z 4, Z 5, s 4, S 2 and r 3 considerably thickened............................................................................................. Typhlodromalus marmoreus

- Dorsal shield with most setae smooth and tapered........................................... Typhlodromalus aripo

13. Setae J 2 absent.................................................................. Proprioseiopsis cannaensis

- Setae J 2 present...................................................................................... 14

14. With an ectal strip on the peritrematal shield, extending along the exopodal shield and around it to the posterior end of coxa IV................................................................................................... 19

- Without ectal strip adjacent to peritrematal shield........................................................... 15

15. Ratio of seta s 4: S 2 <2.7: 1.0................................................................ Transeius lisei

- Ratio of seta s 4: S 2> 3.0: 1.0.......................................................................... 16

16. Ventrianal shield vase-shaped, with distinct constriction behind seta JV 3 ......................... Amblyseius herbicolus

- Ventrianal shield never vase-shaped...................................................................... 17

17. Setae Z 4 and Z 5 length 120 and 197 respectively......................................... Amblyseius neochiapensis

- Setae Z 4 and Z 5 length 138–214 and 305–442 respectively.................................................... 18

18. Spermatheca cervix saccular-fundibular, atrium bifid....................................... Amblyseius operculatus

- Spermatheca cervix with bell-shaped, atrium nodular............................................. Amblyseius vitis

19. Without macrosetae on leg I, II and III; setae JV 2 and ZV 2 inserted in the normal position on the female ventrianal shield......................................................................................... Arrenoseius gaucho

- With macrosetae on leg I, II and III; setae JV 2 and ZV 2 inserted on anterior one-third of the pre-anal area of the female ventri- anal shield.......................................................................................... 20

20. With a pair of metapodal plates on each side, movable digit of chelicera with three teeth............ Iphiseiodes saopaulus

- With a single metapodal plate on each side, movable digit of chelicera with two teeth............. Iphiseiodes metapodalis

21. Setae S 4 and JV 4 present............................................................................... 22

- Setae S 4 and JV 4 absent............................................................................... 23

22. Setae on dorsal shield short, smooth, not knobbed........................................... Typhlodromus ornatus

- Setae on dorsal shield long strongly serrated and knobbed.............................. Typhlodromus transvaalensis

23. Seta R 1 absent; S 2 present............................................................. Galendromus annectens

- Seta R 1 present; S 2 absent.............................................................................. 24

24. Setae along margins of dorsal shield long, seta R 1 much shorter than s 6; setae S 5 and Z 5 approximately equal in length; inser- tions of JV 1, JV 3 and ZV 2 aligned in nearly vertical rows on ventrianal shield; legs without macrosetae..................................................................................................... Typhlodromina tropica

- Setae along margins of dorsal shield medium in length; R 1 and s 6 setae subequal in length, setae S 5 usually much shorter than Z 5; insertions of JV 1, JV 3 and ZV 2 forming a triangle on ventrianal shield, leg IV with 0 to 3 macrosetae............... 25

25. Seta R 1 inserted on dorsal shield........................................................ Metaseiulus mexicanus

- Seta R 1 inserted on lateral integument.................................................................... 26

26. Chaetotactic formula of genu II: 2, 2 / 1, 2 / 0, 1 ................................................ Metaseiulus cornus

- Chaetotactic formula of genu II: 2, 2 / 0, 2 / 0, 1 .............................................. Metaseiulus camelliae