中文摘要：

记述了中国台湾尼蝗属Niitakacris Tinkham,1936的3新种。新种阿里山尼蝗Niitakacris arishanensis sp.nov.后足股节内侧非红色和雄性尾须基部的最大宽度为端部宽度的4倍,可与本属所有已知种相区别。新种夏氏尼蝗Niitakacris xiai sp.nov.与红胫尼蝗N.rosaceanum和台湾尼蝗Niitakacris taiwanensis sp.nov.近似,不同之处为中胸腹板中隔的长度大于最狭处,前翅不到达腹部第1节背板后缘。新种台湾尼蝗Niitakacris taiwanensis sp.nov.与红胫尼蝗N.rosaceanum近似,不同之处为复眼较小,纵径为眼下沟长的1.4倍;两尾片分开;肛上板基部纵沟较短,不到达中部,沟端圆,不尖。列出了尼蝗属全部5个种的检索表。

英文摘要：

Three new species of the genus Niitakacris Tinkham,1936 from Taiwan,China are described in the present paper,including N. arishanensis sp. nov.,N. xiai sp. nov.,and N. taiwanensis sp. nov.N. arishanensis sp. nov. differs from all known species of the genus by the hind femur not red on inner side and maximum width of basal part 4 times width of apical part in cercus of male. N. xiai sp. nov. is similar to N. rosaceanum（ Shiraki,1910） and Niitakacris taiwanensis sp. nov.,but differs from the two species by the length of interspace of mesosternum longer than minimum width and tegmina not reaching the hind margin of first abdominal tergite. N. taiwanensis sp. nov. is similar to N. rosaceanum（ Shiraki,1910）,but differs from the latter by eye smaller,vertical diameter 1. 4 times subocular furrow; furculae separated; longitudinal groove at base of epiproct shorter,not reaching to the middle,apex rounded. A key to all five species of the genus from Taiwan is given. Type specimens are deposited in the National Museum of Natural Science, Taichung, Taiwan, China and the Institute of Entomology, Taiwan University,Taibei,Taiwan,China respectively.