单蚤属一新种记述（蚤目：角叶蚤科）

A NEW SPECIES OF MONOPSYLLUS FROM GANSU PROVINCE, CHINA(SIPHONAPTERA:CERATOPHYLLIDAE)

单蚤属一新种记述（蚤目：角叶蚤科）张荣广，吴德强，李宝肃（甘肃省地方病防治研究所兰州７３００３０）在鉴定甘肃省单蚤属Ｍｏ。ｏｐ。ｙｌｌｕ。Ｋｏｌｅｎａｔｉ，１８５７的跳蚤时，发现在形态上与花鼠单蚤Ｍｏｎｏｐｓｙｌｌｕ。。ｎｄａｇ。ｓＲｏｔｌｉｓｃｈｌ...

Monopsyllus iiae sp. nov. (figs. 1--7)Differentiating charactclistics: The new species is closely related to Monopsyllus indages Rothschild, 1908 and Monopsyllus hamutus Cai et Wu, 1987. But in male(figs. 1--5), (1) no posteroapical angle on movable process of clasps in the newspecies which could be separated from Monopsyllus indages; (2) the apex of crochetof the new species is more pointed, curved downwards and its base part is thickerwith membranous lobes, but that of Monopsyllus indages is blunt and forked,that of Monopsyllus hamutus is pointed and curved downwards and its base partis thinner without membranous lobes. In female (figs. 6--7), the dorsal margin ofSt. VII of the new species fundamentally shows round or arc shape, this characterdiffers from that of Monopsyllus indages with a partially slant part and from thatof Monopsyllus hamutus with a longer slant part or a partially waved part.Type data: Holotype I d, body lenth 3.01mm; and allotype ♀, 2.90mm; paratypes 3e 1♀, off Eutamias sibiricus collected from Apr. to Aug. 1965, in Lingtai, Longxi and Huming Counties. Except that a pair of paratypes are deposited inGuiyang Medical College, the rest specimens are in the institute of Antiendemic Disease of Gansu Province, Lanzhou, China.