Tenuipalpidae

Çobanoğlu, Sultan, Ueckermann, Edward Albert & Sağlam, Hayriye Didem, 2016, The Tenuipalpidae of Turkey, with a key to species (Acari: Trombidiformes), Zootaxa 4097 (2), pp. 151-186 : 183-184

Key to the Tenuipalpidae of Turkey (based on adult females)

1. Dorsal opisthosoma with any of setae c2, d2, e2 present ( Fig. 1 )................................................. 2

- Dorsal opisthosoma with all setae c2, d2, e2 absent ( Fig. 45).................................................. 20

2. Four pairs of legs present (n.b. some spp. of Phytoptipalpus have three pairs of legs); eyes present; dorsal opisthosomal setae f2 present or absent...................................................................................... 3

- Three pairs of legs present; eyes absent; dorsal opisthosomal setae f2 absent......... Raoiellana allium Baker & Tuttle 1972

3. Dorsal opisthosoma with two or more pairs of setae c2, d2, e2, f2 present; ventral and genital shields not developed to weakly developed; ventral shield not framed by distinct striae ( Fig. 3); palp 4–5-segmented................................ 10

- Dorsal opisthosoma with setae c2 present and setae d2, e2 absent ( Fig. 52 ); setae f2 present or absent; ventral and genital shields distinct and separate; ventral shield framed by distinct striae ( Fig. 46 ); palp 4-segmented ... Cenopalpus Pritchard & Baker. .............................................................................................. 4

4. Dorsum mainly covered with reticulations; palp tibia with 2 setae............................................... 5

- Dorsum striate; palp tibia with one seta..................................... C. lineola ( Canestrini & Fanzago 1876)

5. Prodorsum with reticulations irregular, smooth to rugose centrally, prodorsal setae broadly lanceolate ( Fig. 71 )........................................................................... C. bagdasariani ( Livshitz & Mitrofanov 1970)

- Prodorsum with reticulations regular; prodorsal setae slender to narrowly lanceolate or broadly lanceolate to spatulate..... 6

6. Prodorsal setae narrowly lanceolate to slender............................................................... 7

- Prodorsal setae broadly lanceolate to spatulate............................................................... 9

7. Dorsal opisthosomal cuticle with distinct series of short transverse bands between setae d1-e1; prodorsum with small irregular elements in reticulation; ventral cuticle between setae 4a and ventral plate covered in small irregular reticulations; deutonymph with dorsal opisthosomal setae c2 long (one of the longest dorsal setae).................... C. spinosus ( Donnadieu 1875)

- Dorsal opisthosoma cuticle without distinct series of short transverse bands between setae d1-e1; prodorsum with large regular elements in reticulation; ventral cuticle between setae 4a and ventral plate with large regular reticulation, strongest laterally becoming weak to absent centrally (i.e. smooth centrally); deutonymph with dorsal opisthosomal setae c2 minute ( Fig. 62)...8

8. Deutonymph with dorsal opisthosomal setae f2 long....................................... C. bakeri Düzgüneş 1967

- Deutonymph with dorsal opisthosomal setae f2 minute......................... C. pulcher ( Canestrini & Fanzago 1876)

9. Setae v2 shorter than v2-v2; setae d1 and e1 narrowly lanceolate; deutonymph with dorsal opisthosomal setae h2 as long as other lateral setae, and setae e1 minute.............................................. C. lanceolatisetae Attiah 1956

- Setae v2 as long as or longer than v2-v2; setae d1 and e1 broadly lanceolate; deutonymph with dorsal opisthosomal setae h2 minute, and seta e1 short......................................................... C. pritchardi Düzgüneş 1967

10. Anterior margin of prodorsum with a forked medial projection, the prongs of the projection with acute apices; ventral and gen- ital shields not developed; setae ps1–3 inserted in a triangular pattern; palp 4-segmented with second segment nude and palp tarsus with single seta and solenidion.................................. Pseudoleptus zelihae Pritchard & Baker 1958

- Anterior margin of prodorsum without acutely pointed forked projection, may have short notched anterior projection; ventral and genital shields weakly developed or not; palp 5-segmented, with variable setation.............................. 11

11. Opisthosoma with 12–13 pairs of dorsal setae (setae f2 commonly absent); setae e2 and f2 (when present) inserted along the lateral margin aligned with setae c3, d3, e3, f3, h1, h2................................ Pentamerismus McGregor...12

- Opisthosoma with 12–13 pairs of dorsal setae (setae f2 rarely absent); setae e2 and f2 (when present) inserted in a sublateral position, aligned with setae c2, d2 ........................................................................ 14

12. Dorsal opisthosoma with setae f2 absent; setae c3, d3, e2, e3, f3, h1, h 2 in lateral position; length of setae v2 subequal to or lon- ger than sc1; prodorsal and lateral opisthosomal setae variable in shape, from short slender to narrowly lanceolate........ 13

- Dorsal opisthosoma with setae f2 present in lateral position aligned with setae c3, d3, e2, d3, f3, h1, h2; prodorsum with setae v2 subequal to sc1; prodorsal and lateral opisthosomal setae broadly leaf-like, other opisthosomal setae minute and slender................................................................................... P. erythreus ( Ewing 1917)

13. Opisthosoma with all dorsal setae short and slender........................................... P. taxi ( Haller 1877)

- Opisthosoma with dorsolateral setae narrowly lanceolate, central setae minute............. P. oregonensis McGregor 1949

14. Two pairs of pseudanal setae (ps1–2) ( Fig. 34 ); prodorsum with patch of reticulation medially ( Fig. 32 ); dorsal setae broadly lanceolate and serrate................................................ Phytoptipalpus salicicola (Al Gboory 1987)

- Three pairs of pseudanal setae (ps1–3) ( Fig. 3); prodorsum sculpture variable; dorsal setae variable in shape ... Aegyptobia Sayed. ............................................................................................. 15

15. Prodorsum striate; dorsal setae linear-lanceolate or broadly lanceolate........................................... 16

- Prodorsum rugose-reticulate; dorsal setae club-shaped, serrate ( Fig. 24)........... A. beglarovi Livshitz & Mitrofanov 1967

16. Anterior margin of prodorsum with notched projection; dorsal setae lanceolate to broadly lanceolate, serrate............ 17

- Anterior margin of prodorsum rounded without projection or notch; setae in dorsal opisthosomal setal row C and D slender or lanceolate, other posterior opisthosomal setae broadly lanceolate, serrate...................... .. A. tragardhi Sayed 1950

17. Anterior margin of prodorsum with projection deeply notched................................................. 18

- Anterior margin of prodorsum with projection shallowly notched; all dorsal setae lanceolate, serrate, with most lateral setae broadly lanceolate..................................................... A. mccormicki ( Baker & Pritchard 1953)

18. Dorsal body setae narrowly lanceolate, serrate.............................................................. 19

- Dorsal body setae broadly lanceolate, serrate..................................... A. aletes ( Pritchard & Baker 1952)

19. Palp tarsus with two eupathidia and a tactile seta; spermatheca a short tube ending in a round bulb ( Fig. 5 ).......................................................................................... A. cupressus Baker & Tuttle 1972

- Palp tarsus with one eupathidium and two tactile setae; spermatheca a long, thin tube ending in an elongate oval bulb ( Fig.4)

........................................................ A. juniperi sp. nov. Ueckermann, Çobanoğlu & Sağlam 20. Setae h2 long and flagellate, at least 4x longer than other dorsal setae ( Fig. 82); dorsal opisthosoma with setae c3, d3, e3, f3, h1, h2 present; setae c1, d1, e1, f2 present or absent; idiosoma often narrowed behind leg IV ( Fig. 82); palp 1–3-segmented ... Tenuipalpus Donnadieu. ............................................................................. 21 - Setae h2 not long and flagellate, but similar in length to other dorsal setae; dorsal opisthosoma with setae c1, c3, d1, d3, e1, e3, f3, h1, h2 present (except d1, e1 absent in B. recki ); setae f2 present or absent; idiosoma does not. obviously narrow behind leg IV ( Fig. 45); palp 4-segmented..................................................... Brevipalpus Donnadieu ...22

21. Venter with two pairs of setae 4a ( Fig. 83 ); dorsal opisthosoma with c1 present and d1, e1 absent ( Fig. 82); dorsum nearly smooth............................................................................. T. granati Sayed 1946

- Venter with one pair of setae 4a ( Fig. 90 ); dorsal opisthosoma with c1, d1, e1 present ( Fig. 89); dorsum reticulate................................................................................... T. punicae Pritchard & Baker 1958

22. Dorsal opisthosomal setae f2 absent; dorsal opisthosoma with setae c3, d3, e3, f3, h2 and h1 present laterally............ 23

- Dorsal opisthosomal setae f2 present; dorsal opisthosoma with setae c3, d3, e3, f2, f3, h2, h1 present laterally........... 25

23. Tarsus II with a single solenidion distally.................................................................. 24

- Tarsus II with two solenidia distally........................................ B. phoenicis sensu lato ( Geıjskes 1939)

24. Palp tarsus with one solenidion and two setae distally; deutonymph with setae sc1, sc2, f3, h1, h2 setae largest, lanceolate and serrate; setae c3, d3, e3 short; setae c1, d1, e1 minute................................... B. obovatus Donnadıeu 1875

- Palp tarsus with one solenidion and one seta distally; deutonymph with setae sc2, c3, f3, h1 and h2 largest and serrate; setae v2, c1, d1, e1, e3 minute.............................................................. B. obovoides DeLeon 1961

25. Tarsus II with a single solenidion distally................................................................. 26

- Tarsus II with two solenidia distally................................................. B. californicus ( Banks 1904)

26. Tip of infracapitulum elongate, extending to anterior margin of genu I; deutonymph with dorsal setae sc2, c3, f3, h1, or setae sc1, sc2, c3, d3 and f3 the longest and broadly lanceolate..................................................... 27

- Infracapitulum not elongate, not extending beyond distal end of femur I; nymph with dorsal setae sc2, c3, f2, f3, h1 and h2 longest and broadly lanceolate, other dorsal opisthosomal setae short........................... B. lewisi McGregor 1949

27. Trochanter III with one seta, trochanter IV without setae; deutonymph with setae sc1, sc2, c3, d3 and f3 longest, broadly lanceolate and serrate; setae v2, c1, d1, e1, e3, f2, h1, h2 much shorter and serrate......... B. rotai Castagnoli & Pegazzano 1979

- Trochanter III with two setae, trochanter IV with one seta; deutonymph with setae sc2, c3, d3, e3, f3 and h1 longest, broadly lanceolate and serrate; setae v2, sc1, c1, d1, e1, f2, h2 much shorter and serrate................... B. olearius Sayed 1950

Figures

FIGURE 71. Cenopalpus bagdasariani (Livshitz & Mitrofanov). Female, dorsal view.

FIGURES 1 – 2. Aegyptobia juniperi sp. nov. Female. 1. Dorsal view. 2. Dorsal seta c 1.

FIGURES 52 – 55. Cenopalpus bakeri Düzgüneş. Female. 52. Dorsum. Dorsal setae: 53. v 2. 54. c 1. 55. f 2.

FIGURES 46 – 48. Brevipalpus rotai (Castagnoli & Pegazzano). Female. 46. Venter view. 47. Spermatheca. 48. Palp.

FIGURES 34 – 36. Phytoptipalpus salicicola (Al-Gboory). Female. 34 Ventral view. 35 Palp. 36. Spermatheca.

FIGURES 32 – 33. Phytoptipalpus salicicola (Al-Gboory). Female. 32. Dorsal view. 33. Dorsal seta sc 1.

FIGURES 5 – 8. Aegyptobia juniperi sp. nov. Female. 5. Palp. 6. Leg I, left. 7. Leg III, right. 8. Leg IV, right.

FIGURES 83 – 85. Tenuipalpus granati Sayed. Female. 83. Ventral view. 84 Spermatheca. 85. Palp.

FIGURES 90 – 92. Tenuipalpus punicae Pritchard & Baker. Female. 90. Ventral view. 91. Spermatheca. 92 Palp.