[摘要] ：Sminthurinus属Katiannidae科，该科具陷毛A和B，新圆跳毛存在。本属中国报道5种。根据现有文献对Sminthurinus属种类的特征进行描述,并对采自江苏紫金山地区及浙江天目山地区的Sminthurinus属pallescens种进行形态学比较研究。比较结果发现两地方型种具有该种的典型特点及地方性形态学差异。

[关键词]: 弹尾纲；Sminthurinus；pallescens;紫金山;天目山;形态学。

[Abstract]：Sminthurinus belong to Katiannidae. The section has bothriotrichia of A and B. Neosminthuriod seta is present.5 species reported in China. According to the literature of Sminthurinus, the keys to Sminthurinus known species in China were made. Comparative study of morphology of the Species pallescens of Genus Sminthurinus in China, collected from The Purple Mountain area of Jiangsu and The Tianmu Mountain area of Zhejiang, were described here. Comparative results find two local type breeds have typical commonality and unique morphological differences.

[Key words]：Collembola;Sminthurinus;pallescens;The Purple Mountain; The Tianmu Mountain;  Morphology.