关键词: 蚤目, 栉眼蚤科, 厉蚤属, 纤蚤属, 新种

Abstract: In this article, two new species from genera Xenodaeria Jordan (1932) and Rhadinopsylla Jordan et Rothschild (1912) (Siphonaptera:Ctenophthalmidae), collected from Linzhi, Tibet autonomous region of China, were described. (1) Xenodaeria houyongi sp. nov. Its main features are as follows:The frontal bristle consists of six spiniform bristles with deep ossification; in females, the depression of the posterior margin of sternum Ⅶ was small and shallow, the ventral lobe was wide and large and significantly longer than the dorsal lobe, and the height of the dorsal margin is significantly lower than that of the 7th spiracle; the depression of ventral margin at the bulga of spermatheca is located at the midpoint, and the hilla end has papillae. The holotype (only one ♀) was collected from the body of Crocidura dracula in a farming area (at an altitude of about 1 200 m) of Motuo county, Linzhi in December 2019. (2) Rhadinopsylla (Actenophthalmus) linzhiensis sp. nov. Its main features are as follows:It has a total of 18 pronotal combs; in males, the movable process of clasper is straight and slender, with symmetrical front and rear margins; the sternum Ⅷ has only 2 bristles; the apex port of posterior arms at sternum Ⅸ has a series of spiniform bristles; the end of uncinate process of the aedeagus is finger-like. The holotype (only one ♂) was collected from the body of Ochtona sp. in a farming area (at an altitude of about 3 000 m) of Bayi town, Linzhi in November 2018.

Key words: Siphonaptera, Ctenophthalmidae, Genus Xenodaeria, Genus Rhadinopsylla, New species s