Syringophiloidus Kethley 1970

Key to species of the genus Syringophiloidus

(females)

* species occurring in the Nearctic region.

1. Medial branch of peritremes with 4–9 bead-like chambers................................. /group species minor /... 2

- Medial branch of peritremes with 2–3 elongated chambers............................. /group species glandarii /... 12

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

- Setae si 3 or more times longer than vi..................................................................... 6

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

- Setae h1 1.7–2 times longer than f1. Infracapitulum densely punctate............................................. 5

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 Skoracki, 2011

- 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. Genital plate present. Length ratios of setae ag1: ag3 and ps1: ps2 1:1.6 and 1:1, respectively.............................................................................. S. picidus Skoracki, Klimovicova, Muchai and Hromada, 2014

- Genital plate absent. Length ratios of setae ag1: ag3 and ps1: ps2 1:1–1.3 and 1:1.4–1.6, respectively................................................................................................... S. petronicus Skoracki, 2011

6. Agenital setae ag1 1.2–2 times longer than ag2.............................................................. 7

- Agenital setae ag1 and ag2 subequal in length.............................................................. 10

7. Setae ps2 1.3–1.5 times longer than ps1.................................................................... 8

- Setae ps1 and ps2 subequal in length......................................... S. furthi Glowska and Schmidt, 2014

8. Setae vi and ve subequal in length........................ S. pseudonigritae Glowska, Dragun-Damian and Dabert, 2012

- Setae ve 1.3–1.8 times longer than vi...................................................................... 9

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

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

10. 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...................................................................................................... 11

11. 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.............................................................. 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............................................... S. carpodaci Bochkov and Apanaskevich, 2001

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

- Setae si distinctly longer than vi......................................................................... 13

13. Setae ve 180–220 long................................................................................. 14

- Setae ve shorter than 130............................................................................... 15

14. Propodonotal setae ornamented. Setae c1 situated anterior to se. Hysteronotal shield not fused to pygidial shield. Setae ag1 and ag2 subequal in length........................................ S. hirundinis Skoracki, Moller and Tryjanowski, 2003

- Propodonotal setae smooth. Setae c1 and se situated at same transverse level. Hysteronotal shield fused to pygidial shield. Setae ag1 1.5 times longer than ag2................................... S. cypsiuri Fain, Bochkov and Mironov, 2000

15. Setae ve longer than 60................................................................................ 16

- Setae ve shorter than 50................................................................................ 24

16. Setae ve more than 2.7 times longer than vi................................................................ 17

- Setae ve less than 2.4 times longer than vi................................................................. 18

17. 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 *

- Setae 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 *

18. Setae si 6.5 times longer than vi........................................ S. presentalis Chirov and Kravtsova, 1995 *

- Setae si less than 5.7 times longer than vi.................................................................. 19

19. Propodonotal setae vi, ve and si smooth................................................................... 20

- Propodonotal setae vi, ve and si ornamented................................................................ 21

20. Coxal fields III and IV apunctate. Length ratio of setae vi: si 1:4.4–5.4. Fan-like setae p' and p" of legs III and IV with 11–12 tines........................................... S. xanthocephalus Bochkov, Skoracki, Hendricks and Spicer, 2011 *

- Coxal fields III and IV punctate. Length ratio of setae vi: si 1:3.4. Fan-like setae p' and p" of legs III and IV with 8–9 tines............................................................................... S. delichonum Bochkov, 2001 *

21. Setae ps2 1.7–1.8 times longer than ps1................................................................... 22

- Setae ps2 1.2–1.3 times longer than ps1................................................................... 23

22. 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) *

23. Each lateral branch of peritremes with 7–8 chambers. Fan-like setae p' and p" of legs III and IV with 10 tines. Stylophore 170– 185 long...................................................... S. quetzali Skoracki, Mironov and Unsoeld, 2013

- Each lateral branch of peritremes with 9–10 chambers. Fan-like setae p' and p" of legs III and IV with 7–8 tines. Stylophore 155–160 long.............................................................. S. parapresentalis Skoracki, 2011 *

24. Setae vi and ve subequal in length........................................................................ 25

- Setae ve longer than vi................................................................................. 32

25. Setae d1, d2 and e2 subequal in length.................................................................... 26

- Setae d1 and e2 twice as long as d2........................................ S. klimovi Skoracki and Bochkov, 2010

26. Hysteronotal shield absent............................ S. jackowiaki Bochkov, Skoracki, Hendricks and Spicer, 2011 *

- Hysteronotal shield present............................................................................. 27

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

- Hysteronotal shield not fused to pygidial shield. Setae ag1 and ag2 subequal in length.............................. 28

28. Setae ps2 1.3–1.7 times longer than ps1................................................................... 29

- Setae ps1 and ps2 equal in length........................................................................ 30

29. Lateral branch of peritreme with 8–9 chambers. Infracapitulum sparsely punctate. Length of stylophore 140–145..................................................................................... S. coccothraustes Skoracki, 2011

- Lateral branch of peritreme with 11–12 chambers. Infracapitulum densely punctate. Length of stylophore 170–195..................................................................................... S. stawarczyki Skoracki, 2004

30. Length ratio of setae vi: si 2–3.......................................... S. microcerculus Sikora and Skoracki, 2012

- Length ratio of setae vi: si 1:4.5–5........................................................................ 31

31. Lateral branch of peritreme with 7–10 chambers. Stylophore 145 long. Hysteronotal shield punctate. Setae tc' and tc" of legs III and IV subequal in length. Setae ag3 155–165 long....................................... S. auduboni sp. nov. *

- Lateral branch of peritreme with 11–12 chambers. Stylophore 165–170 long. Hysteronotal shield apunctate. Setae tc"III–IV 1.6 times longer than tc'III–IV. Setae ag3 125 long......................... S. sialius Skoracki, Flannery and Spicer, 2009 *

32. Setae ve twice as long as vi.......................................... S. graculae Fain, Bochkov and Mironov, 2000

- Setae ve less than 1.6 times longer than vi................................................................. 33

33. Setae si 1.6–2.3 times longer than vi............................. S. teledromas Sikora, Kaszewska and Skoracki, 2014

- Setae si 5–8 times longer than vi......................................................................... 34

34. Setae h1 1.7–2 times longer than f1...................................................................... 35

- Setae h1 and f1 subequal in length....................................................................... 36

35. Setae p' and p" of legs III and IV with 10–11 tines. Each lateral branch of peritremes with 10–11 chambers. Hysteronotal shield apunctate, 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 chambers. Hysteronotal shield punctate, fused to pygidial shield..................................... S. daberti Bochkov, Fain and Skoracki, 2004 *

36. Setae si 6.2–7.8 times longer than vi............................................ S. tarnii Skoracki and Sikora, 2002

- Setae si 5 times longer than vi........................................................................... 37

37. Lateral branch of peritreme with 10–11 chambers. Propodonotal shield apunctate. Setae ps2 1.5–1.8 times longer than ps1....................................................... S. agelaius Bochkov, Skoracki, Hendricks and Spicer, 2011 *

- Lateral branch of peritreme with 7 chambers. Propodonotal shield punctate. Setae ps1 and ps2 equal in length........................................................................ S. thryothorus Skoracki, Flannery and Spicer, 2009 *