Syringophiloidus species

Skoracki, Maciej, 2011, Quill mites (Acari: Syringophilidae) of the Palaearctic region 2840, Zootaxa 2840 (1), pp. 1-414 : 85-86

Key to Syringophiloidus species

(Females)

1. Medial branch of peritremes with numerous bead-like chambers................................................ 2

– Medial branch of peritremes with 2–3 elongated chambers................................................... 10

2. Setae si less than 2.5 times longer than vi .................................................................. 3

– Setae si 3 or more times longer than vi .................................................................... 5

3. Setae h1 and f1 subequal. Infracapitulum sparsely punctate or apunctate......................................... 4

– Setae h1 twice as long as f1. Infracapitulum densely punctate................................. S. petronicus sp. nov.

4. Setae ps2 1.3 times longer than ps1. Setae tc”III–IV 1.6 times longer than tc’III–IV. Lengths of setae d1 and d2 150–170 and 150–165 respectively............................................................... S. philomelosus sp. nov.

– Setae ps1 and ps2 subequal in length. Setae tc”III–IV twice as long as tc’III–IV. Lengths of setae d1 and d2 115 and 110–135 respectively....................................................................... S. minor (Berlese, 1880)

5. Aggenital setae ag1 longer than ag2. Pseudanal setae ps1 and ps2 unequal in length................................ 6

– Aggenital setae ag1 and ag2 subequal in length. Pseudanal setae ps1 and ps2 subequal in length....................... 7

6. Length ratio vi: ve 1.6–1.8. Each lateral branch with 5–7 chambers. Hysteronotal shield apunctate. Length of hysteronotal setae d1, d2 and e2 190–260......................................................... S. bombycillae Skoracki, 2002

– Length ratio vi: ve 1.3–1.5. Each lateral branch with 9–10 chambers. Hysteronotal shield densely punctate. Length of hysteronotal setae d1, d2 and e2 135–150................................................... S. artamus Skoracki, 2004

7. All propodonotal setae enlarged basally, thick and strongly serrate. Each medial branch of peritremes with 8 chambers........................................................................ S. serini Bochkov, Fain and Skoracki, 2004

– All propodonotal setae not enlarged basally, thin and slightly serrate. Each medial branch of peritremes with 6–7 chambers 8

8. Setae d1 and e2 enlarged basally........................................................ S. seiuri ( Clark, 1964)

– Setae d1 and e2 not enlarged basally..................................................................... 9

9. Hysteronotal shield fused to pygidial shield. Stylophore 175–180 long. Infracapitulum sparsely punctate. Length ratio of setae 3b and 3c 1:2.5–2.8. In males setae d1, d2 and e2 subequal in length and hysteronotal shield present.................................................................................................. S. montanus Skoracki, 2002

– Hysteronotal shield not fused to pygidial shield. Stylophore 150–160 long. Infracapitulum densely punctate. Length ratio of setae 3b and 3c 1:4. In males setae d2 5.5–6.5 times longer than d1 and e2 and hysteronotal shield absent................................................................................ S. carpodaci Bochkov and Apanaskevich, 2001

10. Setae vi and si subequal in length................................. S. dendrocittae Fain, Bochkov and Mironov, 2000

– Setae si distinctly longer than vi ........................................................................ 11

11. Setae vi and ve subequal in length....................................................................... 12

– Setae ve at least 1.3 times longer than vi .................................................................. 16

12. Hysteronotal setae d1, d2 and e2 subequal in length........................................................ 13

– Hysteronotal setae d2 half the length of d1 and e2 ............................. S. klimovi Skoracki and Bochkov, 2010

13. Propodonotal shield apunctate. Hysteronotal shield fused to pygidial shield. Setae ag1 twice as long as ag2 ............................................................................................. S. erythrurus Skoracki, 2004

– Propodonotal shield punctate. Hysteronotal shield not fused to pygidial shield. Setae ag1 and ag2 subequal in length ... 14

14. Pseudanal setae ps1 and ps2 subequal in length......................... S. sialius Skoracki, Flanner and Spicer, 2009

– Pseudanal setae ps2 longer than ps1 ..................................................................... 15

15. Each lateral branch of peritremes with 8–9 chambers. Infracapitulum sparsely punctate. Length of stylophore 140–145...................................................................................... S. coccothraustes sp. nov.

– Each lateral branch of peritremes with 11–12 chambers. Infracapitulum densely punctate. Length of stylophore 170–195................................................................................. S. stawarczyki Skoracki, 2004

16. Setae h1 1.7–2 times longer than f1 ...................................................................... 17

– Setae h1 and f1 subequal in length....................................................................... 18

17. Setae p’ and p” of legs III and IV with 10–11 tines. Each lateral branch of peritremes with 10–11. Hysteronotal shield apunctate and not fused to pygidial shield.................................................... S. oriolus Skoracki, 2004

– Setae p’ and p” of legs III and IV with 6–7 tines. Each lateral branch of peritremes with 8–9. Hysteronotal shield punctate and fused to pygidial shield............................................. S. daberti Bochkov, Fain and Skoracki, 2004

18. Propodonotal shield punctate. Setae si less than 2.5 times longer than vi ........................................ 19

– Propodonotal shield apunctate. Setae si at least 3.4 times longer than vi ........................................ 20

19. Propodonotal setae smooth. Setae ag1 1.5 times longer than ag2 ............ S. cypsiuri Fain, Bochkov and Mironov, 2000

– Propodonotal setae ornamented. Setae ag1 and ag2 subequal in length S. hirundinis Skoracki, Møller and Tryjanowski, 2003

20. Setae si 10 times longer than vi ..................................... S. graculae Fain, Bochkov and Mironov, 2000

– Setae si no more than 8 times longer than vi ............................................................... 21

21. Genital plate absent................................................................................. 22

– Genital plate present.................................................................................. 23

22. Setae si 3.4 times longer than vi. Lengths of setae vi and ve 60 and 85, respectively. Infracapitulum sparsely punctate. Setae p’ and p” of legs III and IV with 8–9 tines........................................... S. delichonum Bochkov, 2001

– Setae si 6.2–7.8 times longer than vi. Lengths of setae vi and ve 25–30 and 40, respectively. Infracapitulum densely punctate. Setae p’ and p” of legs III and IV with 6–7 tines................................ S. tarnii Skoracki and Sikora, 2002

23. Pseudanal setae ps1 and ps2 distinctly unequal in length..................................................... 24

– Pseudanal setae ps1 and ps2 subequal in length........................................................... 25

24. Stylophore punctate. Setae tc”III–IV 1.2 times longer than tc’III–IV. Setae ag1 and ag2 subequal in length. Each lateral branch of peritremes with 7–9 chambers............................... S. weiszii Skoracki, Hromada and Tryjanowski, 2001

– Stylophore apunctate. Setae tc”III–IV 1.5–1.7 times longer than tc’III–IV. Setae ag1 1.4–1.5 times longer than ag2. Each lateral branch of peritremes with 10–11 chambers......................................... S. glandarii ( Fritsch, 1958)

25. Setae ve less twice as long as vi ........................................................................ 26

– Setae ve at least 2.8 times longer than vi ................................................................. 28

26. Length ratio of setae vi: ve 1:1.3–1.6. Hysteronotal shield absent........ S. thryothorus Skoracki, Flannery and Spicer, 2009

– Length ratio of setae vi: ve 1:2. Hysteronotal shield present.................................................... 27

27. Total body length 605–645. Length of movable cheliceral digit 120–125. Setae si 4–4.5 times longer than vi. Hysteronotal shield not fused to pygidial shield................................................... S. parapresentalis sp. nov.

– Total body length 800–820. Length of movable cheliceral digit 150–155. Setae si 6.5 times longer than vi. Hysteronotal shield fused to pygidial shield......................................... S. presentalis Chirov and Kravtsova, 1995

28. Setae ve 2.8 times longer than vi. Length of setae ve 70. Hysteronotal shield not fused to pygidial shield. Infracapitulum densely punctate............................................... S. molothrus Skoracki, Flannery and Spicer, 2009

– ve 3–3.4 times longer than vi. Length of setae ve 90–130. Hysteronotal shield fused to pygidial shield. Infracapitulum sparsely punctate....................................................... S. carolae Skoracki, Flannery and Spicer, 2009