Key to species of the genus Picobia
(females)
1. Hypostomal apex tapering.............................................................................. 2
- Hypostomal apex bumpy, rounded or flat................................................................. 8
2. Propodonotal shield absent............................................................. P. magellani sp. nov.
- Propodonotal shield present............................................................................ 3
3. Lateral propodonotal shields bearing bases of setae ve, si and se ................................................ 4
- Lateral propodonotal shield bearing bases of setae ve and si ................................................... 5
4. Setae ag1 situated anteromedial to ag2. Both claws pair of legs III and IV equal in size. Each lateral branch of peritremes with 9 unstriated chambers..................................................................... P. makoli sp. nov.
- Setae ag1 situated posteromedial to ag2. Both claws pair of legs III and IV unequal in size. Each lateral branch of peritremes with 4 striated chambers.............................................. P. illadopsae Skoracki and Hromada, 2013
5. Each lobe of pygidial shield with 7–8 protuberances on posterior margin............ P. o c h o i Glowska and Milensky, 2014
- Each lobes of pygidial shield with max. 4 protuberances on posterior margin...................................... 6
6. Each lobe of pygidial shield with 2–4 small, blunt-ended protuberances on posterior margin..... P. s a y o r n i s Glowska, 2014
- Each lobes od pygidial shield with 1 sharp-ended protuberance................................................. 7
7. Pair of portuberances of pygidial lobes large in size. Lengths of setae vi, si and c2 15–25, 145–180, 160–180 respectively....................................................................... P. myiopagi Glowska and Milensky, 2014
- Pair of portuberances of pygidial lobes small in size. Lengths of setae vi, si and c2 30–45, 115–120, 130–135.................................................................................. P. schmidti Glowska and Milensky, 2014
8. Hypostomal apex flat................................................................................. 9
- Hypostomal apex rounded or bumpy.................................................................... 10
9. Setae ag1 and ag2 situated at same transverse level. Both claws pair of legs III and IV unequal in size............................................................................... P. biarmicus Skoracki, Bochkov and Wauthy, 2004
- Setae ag1 situated posteromedial to setae ag2. Both claws pair of legs III and IV equal in size...................................................................................... P. pycnonoti Glowska, Skoracki and Khourly, 2007
10. Hypostomal apex rounded............................................................................ 11
- Hypostomal apex bumpy............................................................................. 27
11. Genital lobes absent................................................................................. 12
- Genital lobes present................................................................................ 16
12. Lateral propodonotal shields bears setae vi and ve. Movable cheliceral digit edentate on proximal end................ 13
- Lateral propodonotal shields bears setae vi, ve and si. Movable cheliceral digit dentate on proximal end............... 14
13. Setae ag2 situated posterolateral to ag1 .................................. P. troglodytidus Sikora and Skoracki, 2012
- Setae ag1 and ag2 situated at same transverse level................ P. psaltriparus Skoracki, Spicer and Hendricks, 2010
14. Setae g1, ps1 and ps2 subequal in length. Setae h1 2–4 times longer than f1. Setae vi and ve situated at same transverse level..................................................................... P. paludicola Skoracki and Kiljan, 2002
- Setae ps1 and ps2 1.7–2 times longer than g1. Setae h1 less than 1.5 times longer than f1. Setae vi situated posterior to level of setae ve ........................................................................................... 15
15. Length ratios of setae f2: f1 2:1, d2: e2 1.4 –1.6:1......................... P. oritis Skoracki, Antczak and Riegert, 2009
- Length ratios of setae f2: f1 1.2:1, d2: e2 2:1............... P. p l o c e u s Klimovicova, Skoracki, Wamiti and Hromada, 2014
16. Setae ag1 and ag2 situated at same transverse level or ag2 anterolateral to ag1 .................................. 17
- Setae ag2 situated posterolateral to setae ag1 ............................................................. 20
17. Both claws of legs III–IV equal in size................................ P. cissa Skoracki, Bochkov and Wauthy, 2004
- Both claws pair of legs III–IV unequal in size............................................................. 18
18. Setae ag2 situated anterolateral to ag1 ........................................ P. caudati Skoracki and Hebda, 2004
- Setae ag1 and ag2 situated at same transverse level........................................................ 19
19. Medial propodonotal shield present, bearing bases of setae vi. Pygidial shield with vertical furrow but not divided........................................................................................... P. ce tti Skoracki, 2011 - Medial propodonotal shield absent. Pygidial shield divided longitudinally....... P. currucae Skoracki and Magowski, 2001
20. Lateral propodonotal shield bearing bases of setae ve and si. Setae vi situated posterior to level of setae ve .................................................................................................... P. lonchura sp. nov.
- Lateral propodonotal shield bearing bases of setae ve, si and se. Setae vi and ve situated at same transverse level........ 21
21. Both claws pair of legs III and IV unequal in size........... P. dziabaszewskii Glowska, Dragun-Damian and Dabert, 2012
- Both claws pair of legs III and IV equal in size............................................................ 22
22. Genital setae g1 needle-like........................................................................... 23
- Genital setae g1 hair-like............................................................................. 24
23. Each lateral branch of peritremes with 8–9 chambers. Length ratios of setae ve: si and h1: f2 1:1.4–1.6 and 1:2, respectively. Genital plate punctate................................................ P. phoenicuri Skoracki and Hromada, 2013
- Each lateral branch of peritremes with 7 chambers. Length ratios of setae ve: si and h1: f2 1:2 and 1:1, respectively. Genital plate apunctate................................................... P. hylocichlae Skoracki, Spicer and OConnor, 2014
24. Propodonotal setae vi, ve and si strongly beaded.......................... P. l e m i Skoracki, Glowska and Sikora, 2008
- Propodonotal setae vi, ve and si lightly beaded............................................................ 25
25. Medial propodonotal shield reduced to small sclerite or absent. Setae c1 situated distinctly anterior to level of setae se ............................................................. P. myrmecocichla Skoracki, Solarczyk and Sikora, 2012
- Medial propodonotal shield oval in shape distinctly visible. Setae c1 situated slightly anterior to level of setae se ........ 26
26. Length ratios of setae vi: ve: si and f1: f2 are 1.3:1:1.3 and 1:1.4......... P. cichladusa Skoracki, Solarczyk and Sikora, 2012
- Length ratios of setae vi: ve: si and f1: f2 are 1:1:1.4 and 1:2................. P. echo Skoracki, Solarczyk and Sikora, 2012
27. Both claws pair of legs III and IV unequal in size.......................................................... 28
- Both claws pair of legs III and IV equal in size............................................................ 30
28. Pygidial shield absent.......................................... P. c h l o r i s Bochkov, Mironov and Kravtsova, 2000
- Pygidial shield present............................................................................... 29
29. Propodonotal setae vi, ve and si smooth. Length ratio of setae d2: e2 1.3:1. Pygidial shield deeply cleft on anterior margin.................................................................................... P. galerida Skoracki, 2011
- Propodonotal setae vi, ve and si lightly beaded. Length ratio of setae d2: e2 1.6 –1.8:1. Pygidial shield rounded on anterior margin.................................................................... P. passeri Skoracki and Sikora, 2014
30. Movable cheliceral digit dentate on proximal end.......................................................... 31
- Movable cheliceral digit edentate on proximal end......................................................... 32
31. Genital lobes absent. Length ratios of setae vi: ve and ag1: ag2 1.5–1.7:1 and 1:1 respectively.. P. eremophila Skoracki, 2011
- Genital lobes present. Length ratios of setae vi: ve and ag1: ag2 1:1 and 2:1 respectively......... P. riparius Skoracki, 2011
32. Lateral propodonotal shields bears setae ve, si and se ....................................................... 33
- Lateral propodonotal shields bears setae ve and si .................... P. corcoracus Skoracki, Glowska and Sikora, 2008
33. Genital lobes very large.............................................................................. 34
- Genital lobes small.................................................................................. 35
34. Length ratios of setae vi: ve and h1: f1 1.7–2:1 and 2:1 respectively.............. P. mentalis Skoracki and Unsoeld, 2014
- Length ratios of setae vi: ve and h1: f1 1:1 and 1:2 respectively................ P. dinemellia Glowska and Skoracki, 2011
35. Setae h1 less than 1.5 times longer than f1. Setae vi, ve and si strongly beaded................................... 36
- Setae h1 longer than 1.9 times than f1. Setae vi, ve and si lightly.............................................. 37
36. Genital plate weakly developed or absent. Setae h1 and f1 subequal in length. Setae ps1 1.4 times longer than ps2. Length of setae ag1 80–95................................................. P. s t u r n i Skoracki, Bochkov and Wauthy, 2004
- Genital plate well developed. Length of setae ve 90–95. Setae h1 1.4 times longer than f1. Setae ps1 and ps2 subequal in length. Length of setae ag1 40–45.................. P. lamprotornis Klimovicova, Skoracki, Wamiti and Hromada, 2014
37. Setae ag1 4.3 times longer than ag2. Setae ps2 and g1 subequal in length...... P. indonesiana Skoracki and Glowska, 2008
- Setae ag1 1.8–3.3 times longer than ag2. Setae ps2 1.5–2 times longer than g1 .................................. 38
38. Pygidial shield with vertical furrow, double-leaf....................... P. phoeniculi Fain, Bochkov and Mironov, 2000
- Pygidial shield entire, without vertical furrow............................................................. 39
39. Each lateral branch of peritremes with 9–11 chambers. Length ratios of setae h1: f1, g1: ps2 and ps1: ps2 3–3.2:1, 1:1.5–1.8 and 1.4–1.6:1 respectively................................................................. P. heeri Haller, 1878
- Each lateral branch of peritremes with 6–7 chambers. Length ratios of setae h1: f1, g1: ps2 and ps1: ps2 2:1, 1:3 and 1.2:1 respectively.................................................................... P. dryobatis (Fritsch, 1958)