Key to species of Parabolopona

1 Aedeagal shaft with process............................................................................. 2

- Aedeagal shaft without process.......................................................................... 6

2 Connective stem with apex straight and narrow in ventral view................................................. 3

- Connective stem with apex expanded in ventral view......................................................... 7

3 Apex of aedeagal shaft with process...................................................................... 4

- Apex of aedeagal shaft without process.................................................................... 8

4 Aedeagal shaft with single ventral process arising from near base............................................... 5

- Aedeagal shaft without basal process..................................................................... 10

5 Inner wall of pygofer side with blade-like process arising from posterodorsal margin, directed ventrally........... P. webbi

- Pygofer side not as above....................................................................... P. mutabilis

6 Aedeagus dorsoatrium with pair of very long processes, each with lateral spine near base................... P. basispina

- Aedeagus dorsoatrium developed, without long process.................................................. P. yangi

7 Style with apical process spine-like................................................................ P. cygnea

- Style with apical process finger-like, tapered to apex.................................................. P. guttata

8 Aedeagal shaft with one pair of processes at base............................................................ 9

- Aedeagal shaft with two pairs of processes at mid-length and subapex............................... P. quadrispinosa

9 Process directed dorsally, conspicuously shorter than shaft apex....................................... P. luzonensis

- Process closely paralleling the shaft and extended nearly to the shaft apex.................................. P. zhangi

10 Connective stem curved ventrad with a short dentate process arising from ventral surface near basal 1/5.................................................................................................. P. yunnanensis sp. nov.

- Connective stem not as above.......................................................................... 11

11 Shaft with apical processes directed towards posterior margin in lateral view, with small lateral protuberance basally.................................................................................................. P. chinensis

- Shaft with apical processes directed towards base of shaft in lateral view.................................. P. ishihari