New Oligaphorura species (Collembola: Onychiuridae) from the forests of East Asia
Author
Sun, Xin
Author
Shveenkova, Yu. B.
Author
Xie, Zhijing
Author
Babenko, A. B.
text
Zootaxa
2019
2019-08-28
4661
2
256
270
journal article
25877
10.11646/zootaxa.4661.2.2
622ed67d-ef4f-48f1-9ba0-dc351fdcbf5a
1175-5326
3379447
EDD029B9-77E9-440E-9AF9-D61C61E772C6
Key to the
Oligaphorura
species of
East Asia
and adjacent areas*
Main diagnostic characters are shown in
Table 2.
1 With 4+4 pso at antennal base........................................................................... 2 - With 3+3 pso at antennal base........................................................................... 7
2 Both Th. II–III with lateral ms; anal spines present; one anterior pso on head inside Ant. basis, three pso outside it........ 3
- Only Th. II with ms; anal spines absent....................
O. ambigua
Babenko & Fjellberg, 2015
(
Russia
,
Magadan
)
3 Head with only 2+2 posterior pso; axial chaeta a0’ on head present............................................. 4
- Head with 3+3 posterior pso; axial chaeta a0’ on head absent.................................................. 5
4 Abdominal terga with 44454 pso........................................
O. kedroviensis
sp. nov.
(
Russia
, Far East)
- Abdominal terga with 5(6)5554 pso........................................
O. ussurica
sp. nov.
(
Russia
, Far East)
5 ABC labium........................................
O. chankaensis
Su & Wu, 2012
(in:
Sun & Wu 2012c
) (
China
)
- Labial papilla B not thickened, i.e. A or AC labium.......................................................... 6
6 A labium; abdominal pso dorsally as follows 54453..........................
O. montana
Weiner, 1994
(
North Korea
)
- AC labium; abdominal terga with 54464 pso..........
O. pseudomontana
Su & Wu, 2012
(in:
Sun & Wu 2012b
) (
China
)
7 Abd. IV with only 3 dorsal pso.......................................................................... 8
- Abd. IV with 4–5 dorsal pso............................................................................ 9
8 Th. I with 1+1 dorsal pso; AIIIO with 4 papillae...................................
O. palissai
(
Yosii, 1971
) (
Nepal
)
- Th. I without pso; AIIIO with 5 papillae....................................
O. tottabetsuensis
(
Yosii, 1972
) (
Japan
)
9 Posterior pso on head in unusual (triangular) arrangement............
O. kurtshevae
(
Martynova, 1981
)
(
Russia
, Far East)
- Posterior pso on head in usual (not triangular) arrangement................................................... 10
10 Th. III without ms................................................................................... 11
- Both Th. II–III with ms............................................................................... 15
11 Furcal remnant with cuticular fold and 1+1 posterior chaetae.....................
O. absoloni
(
Börner, 1901
) (
Germany
)
- Fr with cuticular fold and 2+2 posterior chaetae............................................................ 12
12 Th. I without pso.......................................
O. nataliae
(
Fjellberg, 1987
)
(
Russia
, Far East,
Chukotka
)
- Th. I with 1+1 dorsal pso.............................................................................. 13
13 AC labium.................................................
O. sabulosa
Babenko, 2007
(
Russia
, Middle Siberia)
- A labium.......................................................................................... 14
14 Ventral psx 10/000/212201+
1
m
; psx on upper Sc 1-2(1)-2(1); 10 guards on labial palp...........................................
O. ursi
(
Fjellberg, 1984
) sensu
Babenko & Fjellberg 2015
(
Norway
,
Sweden
,
Greenland
, Alaska, NE Siberia)
- Ventral psx 0/000/
122200
; psx on upper Sc completely absent; 11 guards on labial palp...................................................................................................
O. ursi
sensu Sun & Wu 2012 (
China
)
15 Furcal remnant with 1+1 posterior chaetae................................................................ 16
- Furcal remnant with 2+2 posterior chaetae................................................................ 21
16 Furcal remnant with cuticular fold...................................................................... 17
- Furcal remnant as finely granulated area without cuticular fold................................................ 18
17 Abdominal tergum IV with 5 pso; ABC labium........
O. changbaiensis
(Sun & Wu, 2012; in:
Sun & Wu 2012b
) (
China
)
- Abdominal tergum IV with 4 pso; AC labium..............
O. shifangensis
Liu & Sun, 2019
(in:
Liu
et al
. 2019
) (
China
)
18 Th. I without pso.................................
O. sanjiangensis
(Sun & Wu, 2012; in:
Sun & Wu 2012a
) (
China
)
- Th. I with 1+1 pso................................................................................... 19
19 A labium........................................
O. jingyueensis
(Sun & Wu, 2012; in
Sun & Wu 2012c
) (
China
)
- AC labium......................................................................................... 20
20 Abdominal terga IV–V with 5 and 4 pso, respectively............................
O. wanglangensis
sp. nov.
(
China
)
- Abdominal terga IV–V with 4 and 3 pso, respectively....................
O. alnus
(
Fjellberg, 1987
)
(
Russia
,
Magadan
)
21 Furcal remnant without cuticular fold; upper Sc with 23(2)3 pso....................................................................................................
O. duocellata
Babenko & Fjellberg, 2015
(
Russia
,
Magadan
)
- Furcal remnant with cuticular fold; upper Sc with 111 pso.................................................... 22
22 Th. I without pso.................................................................................... 23
- Th. I with 1+1 pso................................................................................... 25
23 Thoracic sterna without chaetae..................................
O. interrupta
(
Fjellberg, 1987
)
(
Russia
,
Magadan
)
- Ventral chaetae on Th. II–III present..................................................................... 24
24 Ventral psx: 10/000/222201+
1
m
; axial chaetae a0’ on head absent................
O. pingicola
(
Fjellberg, 1987
) (Alaska)
- Ventral psx indistinct; axial chaetae a0’on head present …
O. koreana
(
Weiner, 1994
)
(
North Korea
)
25 Th. II–III with ventral chaetae..................................
O. aborigensis
(
Fjellberg, 1987
)
(
Russia
,
Magadan
)
- Thoracic sterna without chaetae........................................................................ 26
26 Two anterior pso on head inside Ant. basis; chaetae p1 and p2 on head set in line; axial chaetae a0’ on head absent............................................................................
O. judithae
(
Weiner, 1994
)
(
North Korea
)
- One anterior pso on head inside Ant. basis; chaetae p
1 in
front of p2 on head; axial chaetae a0’ on head present..............................................................................
O. linderae
(
Weiner, 1994
)
(
North Korea
)