Tamdaotettix, Gorochov, 1998

Qin, Yanyan, Wang, Hanqiang & Li, Kai, 2019, A NEW SPECIES OF THE GENUS TAMDAOTETTIX (ORTHOPTERA: RHAPHIDOPHORIDAE) FROM YUNNAN WITH A KEY TO CHINESE SPECIES, Far Eastern Entomologist 387, pp. 1-6 : 3

Key to Chinese species of Tamdaotettix

1. Male: posteromedian process of 6th abdominal tergite with apex angular or spinelike. Female: subgenital plate slightly transverse and apex not truncated (subgenus Tamdaotettix s. str.) .............................................................................................. 2

– Male: posteromedian process of 6th abdominal tergite without angular or spine-like apex; subgenital plate of female strongly transverse and apex almost truncated or concave (subgenus Laotettix ) ............................................................................... 5

2. Male: posteromedian process of 6th abdominal tergite with a long spine-like projection, its apex obviously reaching apex of process of 7th abdominal tergite …... ............................................................ T. (T.) longituberus Zhu, Bian et Shi, 2018

– Male: posteromedian process of 6th abdominal tergite with a short spine-like projection, its apex not reaching apex of process of 7th abdominal tergite ............... 3

3. Male: posteromedian process of 6th abdominal tergite with a small angular projection, its apex obviously shorter than the process of 7th abdominal tergite; process of 7th abdominal tergite with 3 spines in hind margin ............................................ ............................................................. T. (T.) tridenticulatus Qin, Liu et Li, 2016

– Male: posteromedian process of 6th abdominal tergite triangular, basal area slightly broad, gradually narrowing to apex, its apex almost equal to process of 7th abdominal tergite; process of 7th abdominal tergite short and broad, apex acute ........ 4

4. Male: posteromedian process of 6th abdominal tergite without apical denticles .... ................................................................................ T. (T.) dilutus Gorochov, 1998

– Male: posteromedian process of 6th abdominal tergite with a pair of apical denticles ..................................... T. (T.) ailaoshanicus Gorochov et Storozhenko, 2019

5. Male: posteromedian process of 6th abdominal tergite with apex blunt, the apex not reaching apex of process of 7th abdominal tergite. Female: subgenital plate roundly truncate at apex ............. T. (L.) curvatus Gorochov et Storozhenko, 2015

– Male: posteromedian process of 6th abdominal tergite with apex truncated, the apex reaching apex of process of 7th abdominal tergite. Female: subgenital plate distinctly concave at apex ....................... T. (L.) truncatus Qin, Wang et Li , sp. n.