Sinophasma Günther

Ho, George Wai-Chun, 2012, Notes on the genera Sinophasma Günther, 1940 and Pachyscia Redtenbacher, 1908 (Phasmatodea: Diapheromeridae: Necrosciinae), with the description of four new species from China, Zootaxa 3495, pp. 57-72: 59-60

publication ID

10.5281/zenodo.214059

publication LSID

lsid:zoobank.org:pub:B59FEEBB-A7B2-44C8-8372-087EB5F7A9D8

persistent identifier

http://treatment.plazi.org/id/03B387C0-7271-3466-EEDF-05208AF8FCB4

treatment provided by

Plazi

scientific name

Sinophasma Günther
status

 

Key to males of Sinophasma Günther  :

1. Cerci non-cylindrical................................................................................. 2.

- Cerci cylindrical..................................................................................... 7.

2. Ninth tergum 2 x length of eighth tergum........................................................... S. mirabile 

- Ninth tergum as long as or 1.5 x length of eighth tergum...................................................... 3.

3. Apices of cerci broadened....................................................................... S. obvium 

- Apices of cerci pointed................................................................................ 4.

4. Cerci tapering posteriorly.............................................................................. 5.

- Cerci furcated....................................................................................... 6.

5. Hind margin of poculum rounded............................................................. S. hainanensis 

- Hind margin of poculum elongate posteriorly................................................ S. daoyingi  sp. nov.

6. Anal segment triangularly emarginated at hind margin, cerci strongly furcated, exterior bifurcation as long as interior bifurca- tion........................................................................... S. guangdongensis  sp. nov.

- Anal segment shallowly emarginated at hind margin, cerci lightly furcated, exterior bifurcation 2 x length of interior bifurca- tion.................................................................................. S. pseudomirabile 

7. Anal segment with one to three spines.................................................................... 8.

- Anal segment lacking spine............................................................................. 9.

8. Anal segment with one spine................................................................. S. unispinosum 

- Anal segment with three spines................................................................ S. trispinosum 

9. Ninth tergum helmet-shaped in dorsal view, ninth tergum larger than eighth tergum and larger than anal segment....... 10.

- Ninth tergum not helmet-shaped, ninth tergum longer than eighth tergum and larger than anal segment............... 13.

10. Ninth tergum parallel to anal segment................................................................... 11.

- Ninth tergum with anal segment vertical................................................................. 12.

11. Femora and anterior portions of alae spotted.......................................................... S. hoenei 

- Femora and anterior portions of alae not spotted..................................................... S. striatum 

12. Anal segment rather broad, apex not furcated...................................................... S. brevipenne 

- Anal segment rather long, apex furcated.......................................................... S. angulatum 

13. Hind margin of eighth tergum widest among the apical three tergites........................................... 14.

- Hind margin of ninth tergum widest among the apical three tergites or ninth tergum as wide as eighth tergum.......... 17.

14. Ninth tergum with anal segment at obtuse angle........................................................... 15.

- Ninth tergum with anal segment nearly vertical............................................................ 16.

15. Hind margin of anal segment slightly emarginated.................................................. S. curvatum 

- Hind margin of anal segment triangularly emarginated............................................. S. vietnamense 

16. Hind margin of anal segment shallowly cleft...................................................... S. klapperichi 

- Hind margin of anal segment deeply cleft.......................................................... S. latisectum 

17. Ninth tergum with anal segment at obtuse angle........................................................... 18.

- Ninth tergum with anal segment at straight angle........................................................... 21.

18. Poculum lacking processes..................................................................... S. truncatum 

- Poculum with two asymmetrical processes................................................................ 19.

19. Anal segment short, poculum broad.......................................................... S. maculicruralis 

- Anal segment elongate, poculum with clavate apex......................................................... 20.

20. Apex of poculum not reaching end of abdomen................................................. S. biacuminatum 

- Apex of poculum reaching end of abdomen........................................................ S. rugicollis 

21. Anal segment nearly rectangular, hind margin truncate...................................................... 22.

- Anal segment short widely, nearly at straight angle downward................................................ 23.

22. Process of poculum horn-shaped distally............................................................ S. largum 

- Process of poculum valvular distally............................................................... S. atratum 

23. Lateral angles of anal segment square-shaped..................................................... S. bii  sp. nov.

- Lateral angles of anal segment pointed................................................................... 24.

24. Lateral angles of anal segment flat and broad........................................................ S. furcatum 

- Lateral angles of anal segment slender and long.................................................... S. jinxiuense