Sinophasma Gunther
Creators: name: Ho, George Wai-Chun
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Phasmida
Diapheromeridae
Sinophasma

description: 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
description: Published as part of 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, pp. 57-72 in Zootaxa 3495 on pages 59-60, DOI: 10.5281/zenodo.214059