Key to Chinese species of Zyras (Termidonia) 1 Body small (BL 7.5 mm).............................................................................................................................................. 4 2 Coloration of the body yellowish.................................................................................................................................. 3 - Coloration of the body brownish-black (Hainan) ........................................................................ Z. (T.) diaoluomontis 3 Abdomen narrower than elytra; male paratergite III on either side with pronounced fork-like projection; male stern- ite VII with spine-like process in the middle of posterior margin (Yunnan) ................................ Z. (T.) sexcuspidatus. - Abdomen wider than elytra; male paratergite III without projection; male sternite VII without process in the middle of posterior margin (Taiwan). .......................................................................................................... Z. (T.) abbreviatus. 4 Male tergite V modified............................................................................................................................................... 5 - Male tergite V without modification ............................................................................................................................8 5 Male tergite IV posteriorly with fork-like projection ................................................................................................... 6 - Male tergite IV posteriorly with tooth-like projection.................................................................................................. 7 6 Male posterior margin of tergite V in the middle produced and with bifurcate suberected process; scutellum of elytra larger; apico-lateral processes on median lobe of the aedeagus straight at apex in ventral view (Taiwan).. Z. (T.) viti. - Male posterior margin of tergite V in the middle with pronounced tubercle; scutellum of elytra smaller; apico-lateral processes on median lobe of the aedeagus twisted at apex in ventral view (Hainan)............................ Z. (T.) fellowesi 7 Median lobe of aedeagus straight in ventral view; apico-lateral processes on median lobe of aedeagus anchor-shaped at apex in lateral view (Zhejiang, Jiangsu, Shangihai, Guizhou).............................................. Z. (T.) longwangmontis. - Median lobe of aedeagus curved in ventral view; apico-lateral processes on median lobe of aedeagus forficate at apex in lateral view (Taiwan) .............................................................................................................. Z. (T.) implorans. 8 Male paratergite IV with two pair of short processes on either side; elytra as long as pronotum; median lobe of aedeagus straight in ventral view; apico-lateral processes on median lobe of aedeagus thicker, and sheet at apex in lateral view (Yunnan).................................................................................................................................. Z. (T.) nanbanensis - Male paratergite IV without processes; elytra slightly shorter than pronotum (almost 0.86 times); median lobe of aedeagus curved in ventral view; apico-lateral processes on median lobe of aedeagus slender, and curved in lateral view (Yunnan)................................................................................................................................ Z. (T.) baihuamontis

Published as part of Yan, Zhu-Qi & Li, Li-Zhen, 2015, New species and additional records of the subgenus Termidonia Motschulsky of the genus Zyras Stephens in China (Coleoptera, Staphylinidae, Aleocharinae), pp. 136-142 in Zootaxa 4028 (1) on pages 140-141, DOI: 10.11646/zootaxa.4028.1.7, http://zenodo.org/record/242967