Cheylostigmaeus
Creators: name: Khanjani, Mohammad
name: Nasrollahi, Siamak
name: Zamani, Ali Sina
name: Fayaz, Bahman Asali
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Prostigmata
Stigmaeidae
Cheylostigmaeus

description: Key to the Iranian species of genera Cheylostigmaeus (male) & Stigmaeus (Female)
1. Chelicerae partly fused................................................................. Cheylostigmaeus …2
- Chelicerae free.............................................................................. Stigmaeus …9
2. Rostrum with lateral lamellae or projection................................................................. 3
- Rostrum without lateral lamellae or projection............................................................... 5
3. Lateral lamellae pointed.............................................. C. iranensis Khanjani & Ueckermann, 2002
- Lateral lamellae wing-like.............................................................................. 4
4. Aedeagus without bulb; subcapitulum with one pair of acute teeth in front of lamellae................................................................................................ C. hassanpouri Bagheri & Ueckermann, 2011
- Aedeagus with bulb; subcapitulum without acute teeth in front of lamellae.......... C. sepasgosariani Bagheri et al., 2014
5. Genu II with one solenidion (k).......................................................................... 6
- Genu II without solenidion (k).............................................. C. guilaniensis Hajizadeh et al., 2013
6. Tarsus I with 11(2ω), ratio h1 / h1–h1 0.75........................................ C. ferdowsii Khanjani et al., 2010
- Tarsus I with 13(2ω), ratio h1 / h1–h1 0.88–1.20.............................................................. 7
7. Setae ve and c2 and some dorsal setae on legs sheathed distally................................................. 8
- Setae ve and c2 and dorsal setae on legs not sheathed distally....................................... C. tarae sp. nov.
8. Lengths of dorsal setae vi 48 – 53, ve 70 – 77, e2 52 – 57, f1 70–74; ratio III ω 2 /ω 1 4.5–5.18...................................................................................................... C. mahvashae Khanjani et al., 2013
- Length of dorsal setae vi 30 – 33, ve 47 – 48, e2 39, f1 53 – 56; ratio III ω 2 /ω 1 3.0 – 3.6..................................................................................................... C. gharekhanii Navaei-Bonab et al., 2011
9. Median propodosomal shield absent..................................................................... 10
- Median propodosomal shield present..................................................................... 11
10. Genua II–III with 5–3 setae...................................................... S. saboorii Bagheri et al., 2013
- Genua II–III with 4–4 setae................................................. S. kermaniensis Changizi et al., 2012
11. Hysterosoma without median shield...................................................................... 12
- Hysterosoma with median shield........................................................................ 15
12. Genua II–IV with 2–0–1 setae.......................................................................... 13
- Genua II–IV with 5–3–3 setae....................................................... S. elongatus Berlese, 1886
13. Femora I–II with 4–4 setae, suranal shield divided.......................................................... 14
- Femora I–II with 6–5 setae, suranal shield entire..................................................................................................... S. candidus Fan & Li 1993 (= S. mazandaranicus Faraji & Ueckermann 2006)
14. Prodorsal shield smooth, aggenital setae ag1–2 inserted on soft cuticle, genu I with one solenidion................................................................................. S. shendabadiensis Haddad Irani – Nejad et al. 2010 b
- Prodorsal shield in center region reticulated, aggenital setae ag1–2 inserted on entire shield, genu I without solenidion.................................................................................. S. nasrinae Nazari et al., 2012
15. Median hysterosomal shield with two pairs of setae.......................................................... 16
- Median hysterosomal shield with three pairs of setae......................................................... 36
16. Femur I with four setae................................................................................ 17
- Femur I with six setae................................................................................. 31
17. Femur IV with one seta................................................ S. alvandis Khanjani & Ueckermann 2002
- Femur IV with two setae...............................................................................18
18. Genu I with 3 (1) setae................................................. S. ueckermanni Pahlavan Yali et al., 2011
- Genu I with 5 (1) setae................................................................................ 19
19. Genu III without setae................................................................................. 20
- Genu III with one or two setae.......................................................................... 24
20. Genu IV with one seta................................................................................. 21
- Genu IV with two setae................................................................................ 23
21. Genu II two setae.............................................................. S. cariae Khanjani et al., 2012
- Genu II three setae.................................................................................... 22
22. Auxiliary platelets absent, setae e2 on integument........................................ S. planus Kuznetzov,1978
- Auxiliary platelets present, setae e2 on distinct small platelets.................. S. miandoabiensis Bagheri & Zarei, 2012
23. Genu II with three setae; seta h3 present; prodorsal shield reticulated........... S. kermanshahiensis Khanjani et al., 2012a
- Genu II with four setae; seta h3 absent; prodorsal shield smooth........................ S. iranensis Bagheri et al., 2012
24. Genua II–III with 4–1 setae............................................................................. 25
- Genua II–III with 5–2 setae.............................................................................28
25. Hysterosomal shields reticulated.............................................. S. makouiensis Bagheri et al., 2013
- Hysterosomal shields smooth........................................................................... 26
26. Prodorsal shield smooth, setae d2 and f 1 20–30 long......................................................... 27
- Prodorsal shield reticulated, setae d2 and f1 60 long............................. S. hashtrudiensis Bagheri et al. 2014
27. Dorsal setae slightly serrated, tarsus IV with one solenidion........................ S. marandiensis Bagheri et al., 2011
- Dorsal setae smooth, tarsus IV without solenidion................................ S. isfahaniensis Bagheri et al., 2014
28. Suranal shield entire.................................................................................. 29
- Suranal shield divided.......................................................... S. pulchellus Kuznetzov, 1978
29. Dorsal shields heavily ornamented with polygonal cells; tarsi II with 9 (1) setae................................... 30
- Dorsal shields reticulated, tarsi II with 8 (1) setae............................. S. maraghehiensis Bagheri et al., 2012b
30. Coxisternal, ano-genital shields, hypostome and legs reticulated.......................... S. ladanae Nazari et al., 2012
- Coxisternal, ano-genital shields and legs smooth, hypostome punctate.... S. shabestariensis Haddad Irani – Nejad et al., 2010a
31. Femur II with four setae............................................................................... 32
- Femur II with five setae............................................................................... 34
32. Genua III–IV without setae.......................................................... S. unicus Kuznetzov, 1977
- Genua III–IV with one seta............................................................................. 33
33. Prodorsal shield smooth, eyes present, three pairs aggenital setae........................... S. pilatus Kuznetzov, 1987
- Prodorsal shield with polygonal reticulation, eyes absent, five pairs of aggenital setae................. S. sinai Swift, 1987
34. Genital region with three pairs of aggenital (ag1–3), one pair of genital setae (g1)................................. 35
- Genital region with four pairs of aggenital (ag1–4) and two pairs of genital setae (g1–2)................................................................................................. S. petrophilus Kuznetsov & Petrova, 1979
35. Aggenital region punctated, legs reticulated........................................... S. echinopus Summers 1962
- Aggenital region with polygonal reticulation, legs smooth.................................... S. siculus Berlese 1883
36. Femur II with four setae............................................................................... 37
- Femur II with five setae............................................................................... 38
37. Eyes present; tarsi II with 9 (1) setae......................................... S. boshroyensis Khanjani et al., 2010
- Eyes absent; tarsi II with 7 (1) setae..................................... S. malekii Haddad Irani – Nejad et al., 2006
38. Genua III with one seta, prodorsal shield reticulated......................................................... 39
- Genua III without setae, prodorsal shield smooth....................................... S. longipilis Canestrini, 1889
39. Tarsi I with 13 (1) setae................................................................................ 40
- Tarsi I with 12 (1) setae............................................................ S. glypticus Summers, 1962
40. Aggential region with three pairs of setae (ag1–3).......................................................... 41
- Aggential region with two pairs of setae (ag1–2)............................ S. fissicomus Ueckermann & Meyer, 1987
41. Coxisternal and legs reticulated......................................................................... 42
- Coxisternal and legs smooth................................................... S. haddadi Zarei & Bagheri, 2012
42. Ratio setae d / v” on tibia IV 0.9; setae d on tibia IV 35 long................................. S. sphagneti (Hull, 1918)
- Ratio setae d / v” on tibia IV 1.4; setae d on tibia IV 60 long................................... S. delaramae sp. nov.
description: Published as part of Khanjani, Mohammad, Nasrollahi, Siamak, Zamani, Ali Sina & Fayaz, Bahman Asali, 2014, Cheylostigmaeus tarae sp. nov. and Stigmaeus delaramae sp. nov. (Acari: Stigmaeidae) from Kurdistan, Iran, pp. 364-378 in Zootaxa 3841 (3) on pages 374-376, DOI: 10.11646/zootaxa.3841.3.3, http://zenodo.org/record/228717