记述西藏齿琵甲属Itagonia Reitter1新种:长角齿琵甲Itagonia longicornis sp.nov..模式标本采于西藏江达(31.53°N,98.19°E,3650m),保存于河北大 学博物馆.新种与双毛齿琵甲Itagonia bisetosa Medvedev,1998相似,区别于后者的主要特征为:体大型,长12.1 mm;触角向后明显超过前胸背板后缘;前胸背板前缘近直;前足胫节内端距稍大于外端距.
A new species of ltagonia Reitter, 1887 ,I. longicornis, sp. nov. is described from the Tibetan Plateau, China. Type material: Holotype : male,CHINA :Xizang, Jomda, 31°31' N, 98°11' E, 3650 m, 4 Jun. 2004,col- lected by Shi Ai-min and Ba Yi-bin(MHBU). Paratypes : I female, same data as the holotype (MHBU). The new Species resembles I. bisetosa Medvedev, 1998, but with the following differences: Body relatively larger,male body length 12.1 mm, antennae long, when posteriorly extended, obviously beyond base of pronotum;anterior margin of pronomm almost straight; with two pointed spurs at apical margin, the upper spur of fore tibiae slightly larger than the lower one.