Key to Chinese species of Salka
(modified from Zhang, Yang & Huang, 2009)
1 Pygofer side with dorsal appendage only .......................................................................................................................................... 2
- Pygofer side with dorsal and ventral appendage ............................................................................................................................. 16
2 Apex of aedeagus with pair of processes .......................................................................................................................................... 3
- Apex of aedeagus without paired processes...................................................................................................................................... 9
3 Base of aedeagus with processes ventrally........................................................................................................................................ 4
- Base of aedeagus without process ventrally...................................................................................................................................... 5
4 Aedeagus with single atrial process ........................................................................................................................ Salka congjianga
- Aedeagus with paired atrial processes ................................................................................................................. Salka longiprocessa
5 Aedeagus with pair of serrated lamella subapically ...................................................................................................... Salka lamella
- Aedeagus without serrated lamellae subapically............................................................................................................................. · 6
6 Aedeagus with long apical processes, more than 1/2 length of shaft................................................................................................ 7
- Aedeagus with short, spinelike apical processes ......................................................................................................... Salka fanjinga
7 Aedeagal apical processes bifurcate near apex ........................................................................................................ Salka guilinensis
- Aedeagal apical processes not bifurcate........................................................................................................................................... ·8
8 Aedeagus with dorsal apodeme narrow, sticklike .............................................................................................. Salka crassiprocessa
- Aedeagus with dorsal apodeme broad, round ..................................................................................................... Salka nangongensis
9 Base of aedeagus with atrial process ventrally................................................................................................................................ 10
- Base of aedeagus without atrial process ventrally........................................................................................................................... 11
10 Aedeagus with atrial process unbranched ................................................................................................................. Salka singularis
- Aedeagus with atrial process branched ............................................................................................................... Salka cerviprocessa
11 Aedeagal shaft without any process ................................................................................................................................................ 12
- Aedeagal shaft with process ........................................................................................................................................................... ·13
12 Aedeagal shaft with ventrolateral margins serrate distally .................................................................................... Salka longihamata
- Aedeagal shaft with ventrolateral margins smooth distally .......................................................................................... Salka songae
13 Aedeagal shaft with single apical process dorsally (Fig. 13) ....................................................................... Salka cambera sp. nov.
- Aedeagal shaft with paired processes............................................................................................................................................. 14
14 Aedeagal shaft with processes arising from midlength, curved dorsad .......................................................................... · Salka zoza
- Aedeagal shaft with processes arising near apex ............................................................................................................................ 15
15 Aedeagal shaft processes serrated on both sides......................................................................................................... Salka belanda
- Aedeagal shaft processes smooth on both sides ................................................................................................... Salka diaoluoensis
16 Aedeagal shaft with atrial process ................................................................................................................................... Salka sinica
- Aedeagal shaft without atrial process.............................................................................................................................................. 17
17 Aedeagal shaft with basal processes .............................................................................................................................................. ·18
- Aedeagal shaft without basal processes ......................................................................................................................................... ·22
18 Aedeagal shaft with single basal process .................................................................................................................... Salka diacora
- Aedeagal shaft with pair of basal processes .................................................................................................................................... 19
19 Aedeagus with paired apical and basal processes ................................................................................................ Salka taoyuanensis
- Aedeagus with paired basal processes only .................................................................................................................................... 20
20 Style with second extension at apex ............................................................................................................................... Salka musica
- Style without second extension at apex........................................................................................................................................... 21
21 Subgenital plate with lobelike process from inner margin, directed medially .................................................... Salka jiangshiensis
- Subgenital plate without process from inner margin ....................................................................................................... Salka hadija
22 Aedeagus with apical process.......................................................................................................................................................... 23
- Aedeagus without apical process .................................................................................................................................................... 33
23 Aedeagus with single or three apical processes .............................................................................................................................. 24
- Aedeagus with pair of apical processes........................................................................................................................................... 26
24 Aedeagus with three apical processes ..................................................................................................................... Salka triprocessa
- Aedeagus with single apical process ............................................................................................................................................... 25
25 Ventral part of aedeagal shaft with wedge-shaped extension medially .......................................................................... · Salka lobata
- Ventral part of aedeagal shaft without extension medially ............................................................................................ Salka abbotta
26 Apex of aedeagus with pair of symmetrical processes................................................................................................................... ·27
- Apex of aedeagus with asymmetrical processes ............................................................................................................................ ·31
27 Aedeagal shaft with dorsal extension subapically.............................................................................................................· Salka asna
- Aedeagal shaft without dorsal extension subapically...................................................................................................................... 28
28 Both sides of aedeagal shaft serrated near midlength .................................................................................................... Salka canara
- Both sides of aedeagal shaft smooth near midlength ...................................................................................................................... 29
29 Apical processes of shaft longer than 1/2 total length of aedeagus ..................................................................... Salka jianfengensis
- Apical processes of shaft shorter than 1/2 total length of aedeagus................................................................................................ 30
30 Aedeagal shaft curved 90°dorsad medially .................................................................................................................... Salka armata
- Aedeagal shaft not curved 90° dorsad medially ........................................................................................................ · Salka nigricans
31 Aedeagus with processes lying close to shaft ......................................................................................................... Salka rubronigra
- Aedeagus with processes directed laterad of shaft.......................................................................................................................... 32
32 Longer process of aedeagus unbranched .................................................................................................................. · Salka triangula
- Longer process of aedeagus bifurcate ............................................................................................................................... · Salka jaga
33 Subapical process of aedeagal shaft present.................................................................................................................................... 34
- Subapical process of aedeagal shaft absent..................................................................................................................................... 36
34 Aedeagal shaft with single subapical process ............................................................................................................. Salka fujiwara
- Aedeagal shaft with pair of subapical processes ........................................................................................................................... ·35
35 Apex of pygofer dorsal appendage unbranched (Fig. 3) .................................................................................. Salka acicula sp. nov.
- Apex of pygofer dorsal appendage branched ................................................................................................................. Salka extrela
36 Aedeagal shaft with pair of triangular subapical extensions.......................................................................................... Salka xepima
- Aedeagal shaft without subapical extensions · ............................................................................................................................... ·37
37 Pygofer dorsal appendage short, with dorso-medial hump ........................................................................................ Salka addonica
- Pygofer dorsal appendage elongate, without hump ..................................................................................................... Salka arenaria